Home / 12,444.30-18,666.45-6,612.30

Finding the Fourth Proportional to 12,444.30, 18,666.45 and 6,612.30

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Solution

The fourth proportional to 12,444.30, 18,666.45 and 6,612.30 is: 9,918.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,444.30 : 18,666.45 = 6,612.30 : x
  2. Step 2: Convert to fraction form
    12,444.30/18,666.45 = 6,612.30/x
  3. Step 3: Cross multiply
    12,444.30x = 18,666.45 × 6,612.30
  4. Step 4: Simplify right side
    12,444.30x = 123,428,167.34
  5. Step 5: Solve for x
    x = 123,428,167.34/12,444.30
  6. Step 6: Final answer
    x = 9,918.45

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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.