Home / 14,113.60-21,186.60-8,573.20

Finding the Fourth Proportional to 14,113.60, 21,186.60 and 8,573.20

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Solution

The fourth proportional to 14,113.60, 21,186.60 and 8,573.20 is: 12,869.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,113.60 : 21,186.60 = 8,573.20 : x
  2. Step 2: Convert to fraction form
    14,113.60/21,186.60 = 8,573.20/x
  3. Step 3: Cross multiply
    14,113.60x = 21,186.60 × 8,573.20
  4. Step 4: Simplify right side
    14,113.60x = 181,636,959.12
  5. Step 5: Solve for x
    x = 181,636,959.12/14,113.60
  6. Step 6: Final answer
    x = 12,869.64

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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.