Home / 15,990.64-22,081.02-10,032.56

Finding the Fourth Proportional to 15,990.64, 22,081.02 and 10,032.56

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Solution

The fourth proportional to 15,990.64, 22,081.02 and 10,032.56 is: 13,853.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,990.64 : 22,081.02 = 10,032.56 : x
  2. Step 2: Convert to fraction form
    15,990.64/22,081.02 = 10,032.56/x
  3. Step 3: Cross multiply
    15,990.64x = 22,081.02 × 10,032.56
  4. Step 4: Simplify right side
    15,990.64x = 221,529,158.01
  5. Step 5: Solve for x
    x = 221,529,158.01/15,990.64
  6. Step 6: Final answer
    x = 13,853.68

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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.