Home / 15,813.42-23,721.95-4,127.55

Finding the Fourth Proportional to 15,813.42, 23,721.95 and 4,127.55

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Solution

The fourth proportional to 15,813.42, 23,721.95 and 4,127.55 is: 6,191.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,813.42 : 23,721.95 = 4,127.55 : x
  2. Step 2: Convert to fraction form
    15,813.42/23,721.95 = 4,127.55/x
  3. Step 3: Cross multiply
    15,813.42x = 23,721.95 × 4,127.55
  4. Step 4: Simplify right side
    15,813.42x = 97,913,395.48
  5. Step 5: Solve for x
    x = 97,913,395.48/15,813.42
  6. Step 6: Final answer
    x = 6,191.79

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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.