Home / 15,428.42-23,143.43-4,335.98

Finding the Fourth Proportional to 15,428.42, 23,143.43 and 4,335.98

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Solution

The fourth proportional to 15,428.42, 23,143.43 and 4,335.98 is: 6,504.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,428.42 : 23,143.43 = 4,335.98 : x
  2. Step 2: Convert to fraction form
    15,428.42/23,143.43 = 4,335.98/x
  3. Step 3: Cross multiply
    15,428.42x = 23,143.43 × 4,335.98
  4. Step 4: Simplify right side
    15,428.42x = 100,349,449.61
  5. Step 5: Solve for x
    x = 100,349,449.61/15,428.42
  6. Step 6: Final answer
    x = 6,504.19

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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.