Home / 15,242.68-21,037.16-9,273.20

Finding the Fourth Proportional to 15,242.68, 21,037.16 and 9,273.20

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Solution

The fourth proportional to 15,242.68, 21,037.16 and 9,273.20 is: 12,798.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,242.68 : 21,037.16 = 9,273.20 : x
  2. Step 2: Convert to fraction form
    15,242.68/21,037.16 = 9,273.20/x
  3. Step 3: Cross multiply
    15,242.68x = 21,037.16 × 9,273.20
  4. Step 4: Simplify right side
    15,242.68x = 195,081,792.11
  5. Step 5: Solve for x
    x = 195,081,792.11/15,242.68
  6. Step 6: Final answer
    x = 12,798.39

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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.