Home / 10,307.74-15,461.43-9,505.12

Finding the Fourth Proportional to 10,307.74, 15,461.43 and 9,505.12

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Solution

The fourth proportional to 10,307.74, 15,461.43 and 9,505.12 is: 14,257.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,307.74 : 15,461.43 = 9,505.12 : x
  2. Step 2: Convert to fraction form
    10,307.74/15,461.43 = 9,505.12/x
  3. Step 3: Cross multiply
    10,307.74x = 15,461.43 × 9,505.12
  4. Step 4: Simplify right side
    10,307.74x = 146,962,747.52
  5. Step 5: Solve for x
    x = 146,962,747.52/10,307.74
  6. Step 6: Final answer
    x = 14,257.51

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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.