Home / 14,135.80-21,188.04-10,862.32

Finding the Fourth Proportional to 14,135.80, 21,188.04 and 10,862.32

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Solution

The fourth proportional to 14,135.80, 21,188.04 and 10,862.32 is: 16,281.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,135.80 : 21,188.04 = 10,862.32 : x
  2. Step 2: Convert to fraction form
    14,135.80/21,188.04 = 10,862.32/x
  3. Step 3: Cross multiply
    14,135.80x = 21,188.04 × 10,862.32
  4. Step 4: Simplify right side
    14,135.80x = 230,151,270.65
  5. Step 5: Solve for x
    x = 230,151,270.65/14,135.80
  6. Step 6: Final answer
    x = 16,281.45

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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.