Home / 15,582.06-21,509.19-10,572.21

Finding the Fourth Proportional to 15,582.06, 21,509.19 and 10,572.21

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Solution

The fourth proportional to 15,582.06, 21,509.19 and 10,572.21 is: 14,593.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,582.06 : 21,509.19 = 10,572.21 : x
  2. Step 2: Convert to fraction form
    15,582.06/21,509.19 = 10,572.21/x
  3. Step 3: Cross multiply
    15,582.06x = 21,509.19 × 10,572.21
  4. Step 4: Simplify right side
    15,582.06x = 227,399,673.61
  5. Step 5: Solve for x
    x = 227,399,673.61/15,582.06
  6. Step 6: Final answer
    x = 14,593.68

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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.