Home / 12,040.16-18,060.68-3,275.32

Finding the Fourth Proportional to 12,040.16, 18,060.68 and 3,275.32

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Solution

The fourth proportional to 12,040.16, 18,060.68 and 3,275.32 is: 4,913.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,040.16 : 18,060.68 = 3,275.32 : x
  2. Step 2: Convert to fraction form
    12,040.16/18,060.68 = 3,275.32/x
  3. Step 3: Cross multiply
    12,040.16x = 18,060.68 × 3,275.32
  4. Step 4: Simplify right side
    12,040.16x = 59,154,506.42
  5. Step 5: Solve for x
    x = 59,154,506.42/12,040.16
  6. Step 6: Final answer
    x = 4,913.10

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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.