Home / 12,050.64-18,070.56-4,649.40

Finding the Fourth Proportional to 12,050.64, 18,070.56 and 4,649.40

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Solution

The fourth proportional to 12,050.64, 18,070.56 and 4,649.40 is: 6,972.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,050.64 : 18,070.56 = 4,649.40 : x
  2. Step 2: Convert to fraction form
    12,050.64/18,070.56 = 4,649.40/x
  3. Step 3: Cross multiply
    12,050.64x = 18,070.56 × 4,649.40
  4. Step 4: Simplify right side
    12,050.64x = 84,017,261.66
  5. Step 5: Solve for x
    x = 84,017,261.66/12,050.64
  6. Step 6: Final answer
    x = 6,972.02

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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.