Home / 10,717.69-14,781.27-8,475.67

Finding the Fourth Proportional to 10,717.69, 14,781.27 and 8,475.67

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Solution

The fourth proportional to 10,717.69, 14,781.27 and 8,475.67 is: 11,689.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,717.69 : 14,781.27 = 8,475.67 : x
  2. Step 2: Convert to fraction form
    10,717.69/14,781.27 = 8,475.67/x
  3. Step 3: Cross multiply
    10,717.69x = 14,781.27 × 8,475.67
  4. Step 4: Simplify right side
    10,717.69x = 125,281,173.86
  5. Step 5: Solve for x
    x = 125,281,173.86/10,717.69
  6. Step 6: Final answer
    x = 11,689.20

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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.