Home / 13,254.19-19,866.70-8,860.75

Finding the Fourth Proportional to 13,254.19, 19,866.70 and 8,860.75

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Solution

The fourth proportional to 13,254.19, 19,866.70 and 8,860.75 is: 13,281.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,254.19 : 19,866.70 = 8,860.75 : x
  2. Step 2: Convert to fraction form
    13,254.19/19,866.70 = 8,860.75/x
  3. Step 3: Cross multiply
    13,254.19x = 19,866.70 × 8,860.75
  4. Step 4: Simplify right side
    13,254.19x = 176,033,862.03
  5. Step 5: Solve for x
    x = 176,033,862.03/13,254.19
  6. Step 6: Final answer
    x = 13,281.37

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1.5x scale

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.