Home / 15,582.19-21,503.25-9,611.47

Finding the Fourth Proportional to 15,582.19, 21,503.25 and 9,611.47

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Solution

The fourth proportional to 15,582.19, 21,503.25 and 9,611.47 is: 13,263.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,582.19 : 21,503.25 = 9,611.47 : x
  2. Step 2: Convert to fraction form
    15,582.19/21,503.25 = 9,611.47/x
  3. Step 3: Cross multiply
    15,582.19x = 21,503.25 × 9,611.47
  4. Step 4: Simplify right side
    15,582.19x = 206,677,842.28
  5. Step 5: Solve for x
    x = 206,677,842.28/15,582.19
  6. Step 6: Final answer
    x = 13,263.72

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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.