Home / 15,437.13-21,295.41-9,762.32

Finding the Fourth Proportional to 15,437.13, 21,295.41 and 9,762.32

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Solution

The fourth proportional to 15,437.13, 21,295.41 and 9,762.32 is: 13,467.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,437.13 : 21,295.41 = 9,762.32 : x
  2. Step 2: Convert to fraction form
    15,437.13/21,295.41 = 9,762.32/x
  3. Step 3: Cross multiply
    15,437.13x = 21,295.41 × 9,762.32
  4. Step 4: Simplify right side
    15,437.13x = 207,892,500.47
  5. Step 5: Solve for x
    x = 207,892,500.47/15,437.13
  6. Step 6: Final answer
    x = 13,467.04

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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.