Home / 14,334.95-21,503.79-5,570.55

Finding the Fourth Proportional to 14,334.95, 21,503.79 and 5,570.55

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Solution

The fourth proportional to 14,334.95, 21,503.79 and 5,570.55 is: 8,356.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,334.95 : 21,503.79 = 5,570.55 : x
  2. Step 2: Convert to fraction form
    14,334.95/21,503.79 = 5,570.55/x
  3. Step 3: Cross multiply
    14,334.95x = 21,503.79 × 5,570.55
  4. Step 4: Simplify right side
    14,334.95x = 119,787,937.38
  5. Step 5: Solve for x
    x = 119,787,937.38/14,334.95
  6. Step 6: Final answer
    x = 8,356.35

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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.