Home / 15,345.51-22,988.63-12,850.71

Finding the Fourth Proportional to 15,345.51, 22,988.63 and 12,850.71

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Solution

The fourth proportional to 15,345.51, 22,988.63 and 12,850.71 is: 19,251.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,345.51 : 22,988.63 = 12,850.71 : x
  2. Step 2: Convert to fraction form
    15,345.51/22,988.63 = 12,850.71/x
  3. Step 3: Cross multiply
    15,345.51x = 22,988.63 × 12,850.71
  4. Step 4: Simplify right side
    15,345.51x = 295,420,153.17
  5. Step 5: Solve for x
    x = 295,420,153.17/15,345.51
  6. Step 6: Final answer
    x = 19,251.24

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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.