Home / 12,748.02-19,117.13-4,197.45

Finding the Fourth Proportional to 12,748.02, 19,117.13 and 4,197.45

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Solution

The fourth proportional to 12,748.02, 19,117.13 and 4,197.45 is: 6,294.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,748.02 : 19,117.13 = 4,197.45 : x
  2. Step 2: Convert to fraction form
    12,748.02/19,117.13 = 4,197.45/x
  3. Step 3: Cross multiply
    12,748.02x = 19,117.13 × 4,197.45
  4. Step 4: Simplify right side
    12,748.02x = 80,243,248.02
  5. Step 5: Solve for x
    x = 80,243,248.02/12,748.02
  6. Step 6: Final answer
    x = 6,294.57

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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.