Home / 22,870.47-34,289.51-8,818.59

Finding the Fourth Proportional to 22,870.47, 34,289.51 and 8,818.59

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Solution

The fourth proportional to 22,870.47, 34,289.51 and 8,818.59 is: 13,221.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,870.47 : 34,289.51 = 8,818.59 : x
  2. Step 2: Convert to fraction form
    22,870.47/34,289.51 = 8,818.59/x
  3. Step 3: Cross multiply
    22,870.47x = 34,289.51 × 8,818.59
  4. Step 4: Simplify right side
    22,870.47x = 302,385,085.90
  5. Step 5: Solve for x
    x = 302,385,085.90/22,870.47
  6. Step 6: Final answer
    x = 13,221.64

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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.