Home / 10,746.46-15,989.67-10,478.62

Finding the Fourth Proportional to 10,746.46, 15,989.67 and 10,478.62

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Solution

The fourth proportional to 10,746.46, 15,989.67 and 10,478.62 is: 15,591.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,746.46 : 15,989.67 = 10,478.62 : x
  2. Step 2: Convert to fraction form
    10,746.46/15,989.67 = 10,478.62/x
  3. Step 3: Cross multiply
    10,746.46x = 15,989.67 × 10,478.62
  4. Step 4: Simplify right side
    10,746.46x = 167,549,675.86
  5. Step 5: Solve for x
    x = 167,549,675.86/10,746.46
  6. Step 6: Final answer
    x = 15,591.15

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.