Home / 15,461.84-21,335.36-9,173.04

Finding the Fourth Proportional to 15,461.84, 21,335.36 and 9,173.04

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Solution

The fourth proportional to 15,461.84, 21,335.36 and 9,173.04 is: 12,657.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,461.84 : 21,335.36 = 9,173.04 : x
  2. Step 2: Convert to fraction form
    15,461.84/21,335.36 = 9,173.04/x
  3. Step 3: Cross multiply
    15,461.84x = 21,335.36 × 9,173.04
  4. Step 4: Simplify right side
    15,461.84x = 195,710,110.69
  5. Step 5: Solve for x
    x = 195,710,110.69/15,461.84
  6. Step 6: Final answer
    x = 12,657.62

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.