Home / 16,387.79-22,615.16-9,314.03

Finding the Fourth Proportional to 16,387.79, 22,615.16 and 9,314.03

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Solution

The fourth proportional to 16,387.79, 22,615.16 and 9,314.03 is: 12,853.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,387.79 : 22,615.16 = 9,314.03 : x
  2. Step 2: Convert to fraction form
    16,387.79/22,615.16 = 9,314.03/x
  3. Step 3: Cross multiply
    16,387.79x = 22,615.16 × 9,314.03
  4. Step 4: Simplify right side
    16,387.79x = 210,638,278.69
  5. Step 5: Solve for x
    x = 210,638,278.69/16,387.79
  6. Step 6: Final answer
    x = 12,853.37

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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.