Home / 16,988.30-23,444.01-9,913.36

Finding the Fourth Proportional to 16,988.30, 23,444.01 and 9,913.36

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Solution

The fourth proportional to 16,988.30, 23,444.01 and 9,913.36 is: 13,680.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,988.30 : 23,444.01 = 9,913.36 : x
  2. Step 2: Convert to fraction form
    16,988.30/23,444.01 = 9,913.36/x
  3. Step 3: Cross multiply
    16,988.30x = 23,444.01 × 9,913.36
  4. Step 4: Simplify right side
    16,988.30x = 232,408,744.19
  5. Step 5: Solve for x
    x = 232,408,744.19/16,988.30
  6. Step 6: Final answer
    x = 13,680.52

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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.