Home / 18,501.80-25,531.16-10,435.74

Finding the Fourth Proportional to 18,501.80, 25,531.16 and 10,435.74

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Solution

The fourth proportional to 18,501.80, 25,531.16 and 10,435.74 is: 14,400.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,501.80 : 25,531.16 = 10,435.74 : x
  2. Step 2: Convert to fraction form
    18,501.80/25,531.16 = 10,435.74/x
  3. Step 3: Cross multiply
    18,501.80x = 25,531.16 × 10,435.74
  4. Step 4: Simplify right side
    18,501.80x = 266,436,495.48
  5. Step 5: Solve for x
    x = 266,436,495.48/18,501.80
  6. Step 6: Final answer
    x = 14,400.58

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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.