Home / 18,335.89-25,284.75-16,312.93

Finding the Fourth Proportional to 18,335.89, 25,284.75 and 16,312.93

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Solution

The fourth proportional to 18,335.89, 25,284.75 and 16,312.93 is: 22,495.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,335.89 : 25,284.75 = 16,312.93 : x
  2. Step 2: Convert to fraction form
    18,335.89/25,284.75 = 16,312.93/x
  3. Step 3: Cross multiply
    18,335.89x = 25,284.75 × 16,312.93
  4. Step 4: Simplify right side
    18,335.89x = 412,468,356.82
  5. Step 5: Solve for x
    x = 412,468,356.82/18,335.89
  6. Step 6: Final answer
    x = 22,495.14

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.