Home / 13,559.84-18,713.04-7,591.76

Finding the Fourth Proportional to 13,559.84, 18,713.04 and 7,591.76

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Solution

The fourth proportional to 13,559.84, 18,713.04 and 7,591.76 is: 10,476.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,559.84 : 18,713.04 = 7,591.76 : x
  2. Step 2: Convert to fraction form
    13,559.84/18,713.04 = 7,591.76/x
  3. Step 3: Cross multiply
    13,559.84x = 18,713.04 × 7,591.76
  4. Step 4: Simplify right side
    13,559.84x = 142,064,908.55
  5. Step 5: Solve for x
    x = 142,064,908.55/13,559.84
  6. Step 6: Final answer
    x = 10,476.89

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.