Home / 15,130.88-22,699.96-4,742.63

Finding the Fourth Proportional to 15,130.88, 22,699.96 and 4,742.63

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Solution

The fourth proportional to 15,130.88, 22,699.96 and 4,742.63 is: 7,115.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,130.88 : 22,699.96 = 4,742.63 : x
  2. Step 2: Convert to fraction form
    15,130.88/22,699.96 = 4,742.63/x
  3. Step 3: Cross multiply
    15,130.88x = 22,699.96 × 4,742.63
  4. Step 4: Simplify right side
    15,130.88x = 107,657,385.94
  5. Step 5: Solve for x
    x = 107,657,385.94/15,130.88
  6. Step 6: Final answer
    x = 7,115.08

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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.