Home / 10,069.40-13,888.91-5,877.65

Finding the Fourth Proportional to 10,069.40, 13,888.91 and 5,877.65

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Solution

The fourth proportional to 10,069.40, 13,888.91 and 5,877.65 is: 8,107.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,069.40 : 13,888.91 = 5,877.65 : x
  2. Step 2: Convert to fraction form
    10,069.40/13,888.91 = 5,877.65/x
  3. Step 3: Cross multiply
    10,069.40x = 13,888.91 × 5,877.65
  4. Step 4: Simplify right side
    10,069.40x = 81,634,053.03
  5. Step 5: Solve for x
    x = 81,634,053.03/10,069.40
  6. Step 6: Final answer
    x = 8,107.15

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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.