Home / 16,877.40-23,290.56-9,707.10

Finding the Fourth Proportional to 16,877.40, 23,290.56 and 9,707.10

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Solution

The fourth proportional to 16,877.40, 23,290.56 and 9,707.10 is: 13,395.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,877.40 : 23,290.56 = 9,707.10 : x
  2. Step 2: Convert to fraction form
    16,877.40/23,290.56 = 9,707.10/x
  3. Step 3: Cross multiply
    16,877.40x = 23,290.56 × 9,707.10
  4. Step 4: Simplify right side
    16,877.40x = 226,083,794.98
  5. Step 5: Solve for x
    x = 226,083,794.98/16,877.40
  6. Step 6: Final answer
    x = 13,395.65

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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.