Home / 15,428.17-23,137.47-5,566.16

Finding the Fourth Proportional to 15,428.17, 23,137.47 and 5,566.16

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Solution

The fourth proportional to 15,428.17, 23,137.47 and 5,566.16 is: 8,347.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,428.17 : 23,137.47 = 5,566.16 : x
  2. Step 2: Convert to fraction form
    15,428.17/23,137.47 = 5,566.16/x
  3. Step 3: Cross multiply
    15,428.17x = 23,137.47 × 5,566.16
  4. Step 4: Simplify right side
    15,428.17x = 128,786,860.02
  5. Step 5: Solve for x
    x = 128,786,860.02/15,428.17
  6. Step 6: Final answer
    x = 8,347.51

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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.