Home / 14,085.66-21,121.20-7,510.08

Finding the Fourth Proportional to 14,085.66, 21,121.20 and 7,510.08

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Solution

The fourth proportional to 14,085.66, 21,121.20 and 7,510.08 is: 11,261.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,085.66 : 21,121.20 = 7,510.08 : x
  2. Step 2: Convert to fraction form
    14,085.66/21,121.20 = 7,510.08/x
  3. Step 3: Cross multiply
    14,085.66x = 21,121.20 × 7,510.08
  4. Step 4: Simplify right side
    14,085.66x = 158,621,901.70
  5. Step 5: Solve for x
    x = 158,621,901.70/14,085.66
  6. Step 6: Final answer
    x = 11,261.23

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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.