Home / 10,307.84-15,461.76-5,117.36

Finding the Fourth Proportional to 10,307.84, 15,461.76 and 5,117.36

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Solution

The fourth proportional to 10,307.84, 15,461.76 and 5,117.36 is: 7,676.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,307.84 : 15,461.76 = 5,117.36 : x
  2. Step 2: Convert to fraction form
    10,307.84/15,461.76 = 5,117.36/x
  3. Step 3: Cross multiply
    10,307.84x = 15,461.76 × 5,117.36
  4. Step 4: Simplify right side
    10,307.84x = 79,123,392.15
  5. Step 5: Solve for x
    x = 79,123,392.15/10,307.84
  6. Step 6: Final answer
    x = 7,676.04

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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.