Home / 12,013.23-17,988.30-8,484.15

Finding the Fourth Proportional to 12,013.23, 17,988.30 and 8,484.15

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Solution

The fourth proportional to 12,013.23, 17,988.30 and 8,484.15 is: 12,703.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,013.23 : 17,988.30 = 8,484.15 : x
  2. Step 2: Convert to fraction form
    12,013.23/17,988.30 = 8,484.15/x
  3. Step 3: Cross multiply
    12,013.23x = 17,988.30 × 8,484.15
  4. Step 4: Simplify right side
    12,013.23x = 152,615,435.45
  5. Step 5: Solve for x
    x = 152,615,435.45/12,013.23
  6. Step 6: Final answer
    x = 12,703.95

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.