Home / 19,909.40-29,831.70-14,660.60

Finding the Fourth Proportional to 19,909.40, 29,831.70 and 14,660.60

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Solution

The fourth proportional to 19,909.40, 29,831.70 and 14,660.60 is: 21,967.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,909.40 : 29,831.70 = 14,660.60 : x
  2. Step 2: Convert to fraction form
    19,909.40/29,831.70 = 14,660.60/x
  3. Step 3: Cross multiply
    19,909.40x = 29,831.70 × 14,660.60
  4. Step 4: Simplify right side
    19,909.40x = 437,350,621.02
  5. Step 5: Solve for x
    x = 437,350,621.02/19,909.40
  6. Step 6: Final answer
    x = 21,967.04

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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.