Home / 10,527.45-15,785.62-9,328.34

Finding the Fourth Proportional to 10,527.45, 15,785.62 and 9,328.34

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Solution

The fourth proportional to 10,527.45, 15,785.62 and 9,328.34 is: 13,987.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,527.45 : 15,785.62 = 9,328.34 : x
  2. Step 2: Convert to fraction form
    10,527.45/15,785.62 = 9,328.34/x
  3. Step 3: Cross multiply
    10,527.45x = 15,785.62 × 9,328.34
  4. Step 4: Simplify right side
    10,527.45x = 147,253,646.61
  5. Step 5: Solve for x
    x = 147,253,646.61/10,527.45
  6. Step 6: Final answer
    x = 13,987.59

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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.