Home / 14,066.80-19,428.52-9,342.88

Finding the Fourth Proportional to 14,066.80, 19,428.52 and 9,342.88

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Solution

The fourth proportional to 14,066.80, 19,428.52 and 9,342.88 is: 12,904.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,066.80 : 19,428.52 = 9,342.88 : x
  2. Step 2: Convert to fraction form
    14,066.80/19,428.52 = 9,342.88/x
  3. Step 3: Cross multiply
    14,066.80x = 19,428.52 × 9,342.88
  4. Step 4: Simplify right side
    14,066.80x = 181,518,330.94
  5. Step 5: Solve for x
    x = 181,518,330.94/14,066.80
  6. Step 6: Final answer
    x = 12,904.02

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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.