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Finding the Fourth Proportional to 15,207.40, 22,811.10 and 14,602.60

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Solution

The fourth proportional to 15,207.40, 22,811.10 and 14,602.60 is: 21,903.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,207.40 : 22,811.10 = 14,602.60 : x
  2. Step 2: Convert to fraction form
    15,207.40/22,811.10 = 14,602.60/x
  3. Step 3: Cross multiply
    15,207.40x = 22,811.10 × 14,602.60
  4. Step 4: Simplify right side
    15,207.40x = 333,101,368.86
  5. Step 5: Solve for x
    x = 333,101,368.86/15,207.40
  6. Step 6: Final answer
    x = 21,903.90

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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.