Home / 15,510.26-21,398.90-10,210.44

Finding the Fourth Proportional to 15,510.26, 21,398.90 and 10,210.44

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Solution

The fourth proportional to 15,510.26, 21,398.90 and 10,210.44 is: 14,086.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,510.26 : 21,398.90 = 10,210.44 : x
  2. Step 2: Convert to fraction form
    15,510.26/21,398.90 = 10,210.44/x
  3. Step 3: Cross multiply
    15,510.26x = 21,398.90 × 10,210.44
  4. Step 4: Simplify right side
    15,510.26x = 218,492,184.52
  5. Step 5: Solve for x
    x = 218,492,184.52/15,510.26
  6. Step 6: Final answer
    x = 14,086.95

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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.