Home / 12,325.02-16,988.52-9,631.50

Finding the Fourth Proportional to 12,325.02, 16,988.52 and 9,631.50

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Solution

The fourth proportional to 12,325.02, 16,988.52 and 9,631.50 is: 13,275.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,325.02 : 16,988.52 = 9,631.50 : x
  2. Step 2: Convert to fraction form
    12,325.02/16,988.52 = 9,631.50/x
  3. Step 3: Cross multiply
    12,325.02x = 16,988.52 × 9,631.50
  4. Step 4: Simplify right side
    12,325.02x = 163,624,930.38
  5. Step 5: Solve for x
    x = 163,624,930.38/12,325.02
  6. Step 6: Final answer
    x = 13,275.83

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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.