Home / 12,666.13-19,001.42-4,347.02

Finding the Fourth Proportional to 12,666.13, 19,001.42 and 4,347.02

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Solution

The fourth proportional to 12,666.13, 19,001.42 and 4,347.02 is: 6,521.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,666.13 : 19,001.42 = 4,347.02 : x
  2. Step 2: Convert to fraction form
    12,666.13/19,001.42 = 4,347.02/x
  3. Step 3: Cross multiply
    12,666.13x = 19,001.42 × 4,347.02
  4. Step 4: Simplify right side
    12,666.13x = 82,599,552.77
  5. Step 5: Solve for x
    x = 82,599,552.77/12,666.13
  6. Step 6: Final answer
    x = 6,521.29

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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.