Home / 16,287.86-22,465.65-14,947.79

Finding the Fourth Proportional to 16,287.86, 22,465.65 and 14,947.79

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Solution

The fourth proportional to 16,287.86, 22,465.65 and 14,947.79 is: 20,617.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,287.86 : 22,465.65 = 14,947.79 : x
  2. Step 2: Convert to fraction form
    16,287.86/22,465.65 = 14,947.79/x
  3. Step 3: Cross multiply
    16,287.86x = 22,465.65 × 14,947.79
  4. Step 4: Simplify right side
    16,287.86x = 335,811,955.62
  5. Step 5: Solve for x
    x = 335,811,955.62/16,287.86
  6. Step 6: Final answer
    x = 20,617.32

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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.