Home / 13,488.32-18,607.27-9,013.17

Finding the Fourth Proportional to 13,488.32, 18,607.27 and 9,013.17

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Solution

The fourth proportional to 13,488.32, 18,607.27 and 9,013.17 is: 12,433.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,488.32 : 18,607.27 = 9,013.17 : x
  2. Step 2: Convert to fraction form
    13,488.32/18,607.27 = 9,013.17/x
  3. Step 3: Cross multiply
    13,488.32x = 18,607.27 × 9,013.17
  4. Step 4: Simplify right side
    13,488.32x = 167,710,551.89
  5. Step 5: Solve for x
    x = 167,710,551.89/13,488.32
  6. Step 6: Final answer
    x = 12,433.76

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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.