Home / 15,374.29-21,221.83-9,002.93

Finding the Fourth Proportional to 15,374.29, 21,221.83 and 9,002.93

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Solution

The fourth proportional to 15,374.29, 21,221.83 and 9,002.93 is: 12,427.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,374.29 : 21,221.83 = 9,002.93 : x
  2. Step 2: Convert to fraction form
    15,374.29/21,221.83 = 9,002.93/x
  3. Step 3: Cross multiply
    15,374.29x = 21,221.83 × 9,002.93
  4. Step 4: Simplify right side
    15,374.29x = 191,058,674.48
  5. Step 5: Solve for x
    x = 191,058,674.48/15,374.29
  6. Step 6: Final answer
    x = 12,427.15

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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.