Home / 10,063.95-13,888.41-5,587.99

Finding the Fourth Proportional to 10,063.95, 13,888.41 and 5,587.99

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Solution

The fourth proportional to 10,063.95, 13,888.41 and 5,587.99 is: 7,711.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,063.95 : 13,888.41 = 5,587.99 : x
  2. Step 2: Convert to fraction form
    10,063.95/13,888.41 = 5,587.99/x
  3. Step 3: Cross multiply
    10,063.95x = 13,888.41 × 5,587.99
  4. Step 4: Simplify right side
    10,063.95x = 77,608,296.20
  5. Step 5: Solve for x
    x = 77,608,296.20/10,063.95
  6. Step 6: Final answer
    x = 7,711.51

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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.