Home / 12,326.26-18,487.02-5,307.48

Finding the Fourth Proportional to 12,326.26, 18,487.02 and 5,307.48

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Solution

The fourth proportional to 12,326.26, 18,487.02 and 5,307.48 is: 7,960.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,326.26 : 18,487.02 = 5,307.48 : x
  2. Step 2: Convert to fraction form
    12,326.26/18,487.02 = 5,307.48/x
  3. Step 3: Cross multiply
    12,326.26x = 18,487.02 × 5,307.48
  4. Step 4: Simplify right side
    12,326.26x = 98,119,488.91
  5. Step 5: Solve for x
    x = 98,119,488.91/12,326.26
  6. Step 6: Final answer
    x = 7,960.20

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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.