Home / 15,813.63-23,718.62-4,127.76

Finding the Fourth Proportional to 15,813.63, 23,718.62 and 4,127.76

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Solution

The fourth proportional to 15,813.63, 23,718.62 and 4,127.76 is: 6,191.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,813.63 : 23,718.62 = 4,127.76 : x
  2. Step 2: Convert to fraction form
    15,813.63/23,718.62 = 4,127.76/x
  3. Step 3: Cross multiply
    15,813.63x = 23,718.62 × 4,127.76
  4. Step 4: Simplify right side
    15,813.63x = 97,904,781.21
  5. Step 5: Solve for x
    x = 97,904,781.21/15,813.63
  6. Step 6: Final answer
    x = 6,191.16

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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.