Home / 14,742.30-22,109.40-6,417.93

Finding the Fourth Proportional to 14,742.30, 22,109.40 and 6,417.93

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Solution

The fourth proportional to 14,742.30, 22,109.40 and 6,417.93 is: 9,625.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,742.30 : 22,109.40 = 6,417.93 : x
  2. Step 2: Convert to fraction form
    14,742.30/22,109.40 = 6,417.93/x
  3. Step 3: Cross multiply
    14,742.30x = 22,109.40 × 6,417.93
  4. Step 4: Simplify right side
    14,742.30x = 141,896,581.54
  5. Step 5: Solve for x
    x = 141,896,581.54/14,742.30
  6. Step 6: Final answer
    x = 9,625.13

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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.