Home / 10,390.95-15,577.16-4,542.93

Finding the Fourth Proportional to 10,390.95, 15,577.16 and 4,542.93

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Solution

The fourth proportional to 10,390.95, 15,577.16 and 4,542.93 is: 6,810.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,390.95 : 15,577.16 = 4,542.93 : x
  2. Step 2: Convert to fraction form
    10,390.95/15,577.16 = 4,542.93/x
  3. Step 3: Cross multiply
    10,390.95x = 15,577.16 × 4,542.93
  4. Step 4: Simplify right side
    10,390.95x = 70,765,924.76
  5. Step 5: Solve for x
    x = 70,765,924.76/10,390.95
  6. Step 6: Final answer
    x = 6,810.34

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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.