Home / 16,689.44-23,030.08-9,616.40

Finding the Fourth Proportional to 16,689.44, 23,030.08 and 9,616.40

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Solution

The fourth proportional to 16,689.44, 23,030.08 and 9,616.40 is: 13,269.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,689.44 : 23,030.08 = 9,616.40 : x
  2. Step 2: Convert to fraction form
    16,689.44/23,030.08 = 9,616.40/x
  3. Step 3: Cross multiply
    16,689.44x = 23,030.08 × 9,616.40
  4. Step 4: Simplify right side
    16,689.44x = 221,466,461.31
  5. Step 5: Solve for x
    x = 221,466,461.31/16,689.44
  6. Step 6: Final answer
    x = 13,269.86

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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.