Home / 14,555.62-20,070.88-9,831.70

Finding the Fourth Proportional to 14,555.62, 20,070.88 and 9,831.70

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Solution

The fourth proportional to 14,555.62, 20,070.88 and 9,831.70 is: 13,557.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,555.62 : 20,070.88 = 9,831.70 : x
  2. Step 2: Convert to fraction form
    14,555.62/20,070.88 = 9,831.70/x
  3. Step 3: Cross multiply
    14,555.62x = 20,070.88 × 9,831.70
  4. Step 4: Simplify right side
    14,555.62x = 197,330,870.90
  5. Step 5: Solve for x
    x = 197,330,870.90/14,555.62
  6. Step 6: Final answer
    x = 13,557.02

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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.