Home / 12,352.80-18,566.55-9,400.35

Finding the Fourth Proportional to 12,352.80, 18,566.55 and 9,400.35

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Solution

The fourth proportional to 12,352.80, 18,566.55 and 9,400.35 is: 14,128.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,352.80 : 18,566.55 = 9,400.35 : x
  2. Step 2: Convert to fraction form
    12,352.80/18,566.55 = 9,400.35/x
  3. Step 3: Cross multiply
    12,352.80x = 18,566.55 × 9,400.35
  4. Step 4: Simplify right side
    12,352.80x = 174,532,068.29
  5. Step 5: Solve for x
    x = 174,532,068.29/12,352.80
  6. Step 6: Final answer
    x = 14,128.95

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.