Home / 10,381.95-15,570.59-2,984.76

Finding the Fourth Proportional to 10,381.95, 15,570.59 and 2,984.76

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Solution

The fourth proportional to 10,381.95, 15,570.59 and 2,984.76 is: 4,476.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,381.95 : 15,570.59 = 2,984.76 : x
  2. Step 2: Convert to fraction form
    10,381.95/15,570.59 = 2,984.76/x
  3. Step 3: Cross multiply
    10,381.95x = 15,570.59 × 2,984.76
  4. Step 4: Simplify right side
    10,381.95x = 46,474,474.21
  5. Step 5: Solve for x
    x = 46,474,474.21/10,381.95
  6. Step 6: Final answer
    x = 4,476.47

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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.