Home / 18,531.02-25,572.50-10,033.07

Finding the Fourth Proportional to 18,531.02, 25,572.50 and 10,033.07

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Solution

The fourth proportional to 18,531.02, 25,572.50 and 10,033.07 is: 13,845.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,531.02 : 25,572.50 = 10,033.07 : x
  2. Step 2: Convert to fraction form
    18,531.02/25,572.50 = 10,033.07/x
  3. Step 3: Cross multiply
    18,531.02x = 25,572.50 × 10,033.07
  4. Step 4: Simplify right side
    18,531.02x = 256,570,733.96
  5. Step 5: Solve for x
    x = 256,570,733.96/18,531.02
  6. Step 6: Final answer
    x = 13,845.47

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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.