Home / 14,740.80-20,337.90-9,426.42

Finding the Fourth Proportional to 14,740.80, 20,337.90 and 9,426.42

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Solution

The fourth proportional to 14,740.80, 20,337.90 and 9,426.42 is: 13,005.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,740.80 : 20,337.90 = 9,426.42 : x
  2. Step 2: Convert to fraction form
    14,740.80/20,337.90 = 9,426.42/x
  3. Step 3: Cross multiply
    14,740.80x = 20,337.90 × 9,426.42
  4. Step 4: Simplify right side
    14,740.80x = 191,713,587.32
  5. Step 5: Solve for x
    x = 191,713,587.32/14,740.80
  6. Step 6: Final answer
    x = 13,005.64

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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.