Home / 14,114.60-21,188.10-8,574.20

Finding the Fourth Proportional to 14,114.60, 21,188.10 and 8,574.20

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Solution

The fourth proportional to 14,114.60, 21,188.10 and 8,574.20 is: 12,871.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,114.60 : 21,188.10 = 8,574.20 : x
  2. Step 2: Convert to fraction form
    14,114.60/21,188.10 = 8,574.20/x
  3. Step 3: Cross multiply
    14,114.60x = 21,188.10 × 8,574.20
  4. Step 4: Simplify right side
    14,114.60x = 181,671,007.02
  5. Step 5: Solve for x
    x = 181,671,007.02/14,114.60
  6. Step 6: Final answer
    x = 12,871.14

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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.