Home / 10,319.60-15,516.77-9,507.68

Finding the Fourth Proportional to 10,319.60, 15,516.77 and 9,507.68

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Solution

The fourth proportional to 10,319.60, 15,516.77 and 9,507.68 is: 14,295.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,319.60 : 15,516.77 = 9,507.68 : x
  2. Step 2: Convert to fraction form
    10,319.60/15,516.77 = 9,507.68/x
  3. Step 3: Cross multiply
    10,319.60x = 15,516.77 × 9,507.68
  4. Step 4: Simplify right side
    10,319.60x = 147,528,416.86
  5. Step 5: Solve for x
    x = 147,528,416.86/10,319.60
  6. Step 6: Final answer
    x = 14,295.94

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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.