Home / 10,615.32-15,901.38-5,347.08

Finding the Fourth Proportional to 10,615.32, 15,901.38 and 5,347.08

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Solution

The fourth proportional to 10,615.32, 15,901.38 and 5,347.08 is: 8,009.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,615.32 : 15,901.38 = 5,347.08 : x
  2. Step 2: Convert to fraction form
    10,615.32/15,901.38 = 5,347.08/x
  3. Step 3: Cross multiply
    10,615.32x = 15,901.38 × 5,347.08
  4. Step 4: Simplify right side
    10,615.32x = 85,025,950.97
  5. Step 5: Solve for x
    x = 85,025,950.97/10,615.32
  6. Step 6: Final answer
    x = 8,009.74

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.