Home / 18,555.67-25,607.46-13,263.13

Finding the Fourth Proportional to 18,555.67, 25,607.46 and 13,263.13

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Solution

The fourth proportional to 18,555.67, 25,607.46 and 13,263.13 is: 18,303.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,555.67 : 25,607.46 = 13,263.13 : x
  2. Step 2: Convert to fraction form
    18,555.67/25,607.46 = 13,263.13/x
  3. Step 3: Cross multiply
    18,555.67x = 25,607.46 × 13,263.13
  4. Step 4: Simplify right side
    18,555.67x = 339,635,070.95
  5. Step 5: Solve for x
    x = 339,635,070.95/18,555.67
  6. Step 6: Final answer
    x = 18,303.57

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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.