Home / 15,347.08-21,158.58-10,032.76

Finding the Fourth Proportional to 15,347.08, 21,158.58 and 10,032.76

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Solution

The fourth proportional to 15,347.08, 21,158.58 and 10,032.76 is: 13,831.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,347.08 : 21,158.58 = 10,032.76 : x
  2. Step 2: Convert to fraction form
    15,347.08/21,158.58 = 10,032.76/x
  3. Step 3: Cross multiply
    15,347.08x = 21,158.58 × 10,032.76
  4. Step 4: Simplify right side
    15,347.08x = 212,278,955.08
  5. Step 5: Solve for x
    x = 212,278,955.08/15,347.08
  6. Step 6: Final answer
    x = 13,831.88

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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.