Home / 12,434.04-18,651.12-4,642.76

Finding the Fourth Proportional to 12,434.04, 18,651.12 and 4,642.76

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Solution

The fourth proportional to 12,434.04, 18,651.12 and 4,642.76 is: 6,964.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,434.04 : 18,651.12 = 4,642.76 : x
  2. Step 2: Convert to fraction form
    12,434.04/18,651.12 = 4,642.76/x
  3. Step 3: Cross multiply
    12,434.04x = 18,651.12 × 4,642.76
  4. Step 4: Simplify right side
    12,434.04x = 86,592,673.89
  5. Step 5: Solve for x
    x = 86,592,673.89/12,434.04
  6. Step 6: Final answer
    x = 6,964.16

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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.