Home / 23,290.34-32,135.13-13,216.57

Finding the Fourth Proportional to 23,290.34, 32,135.13 and 13,216.57

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Solution

The fourth proportional to 23,290.34, 32,135.13 and 13,216.57 is: 18,235.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,290.34 : 32,135.13 = 13,216.57 : x
  2. Step 2: Convert to fraction form
    23,290.34/32,135.13 = 13,216.57/x
  3. Step 3: Cross multiply
    23,290.34x = 32,135.13 × 13,216.57
  4. Step 4: Simplify right side
    23,290.34x = 424,716,114.77
  5. Step 5: Solve for x
    x = 424,716,114.77/23,290.34
  6. Step 6: Final answer
    x = 18,235.72

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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.