Home / 15,294.90-21,084.62-10,810.74

Finding the Fourth Proportional to 15,294.90, 21,084.62 and 10,810.74

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Solution

The fourth proportional to 15,294.90, 21,084.62 and 10,810.74 is: 14,903.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,294.90 : 21,084.62 = 10,810.74 : x
  2. Step 2: Convert to fraction form
    15,294.90/21,084.62 = 10,810.74/x
  3. Step 3: Cross multiply
    15,294.90x = 21,084.62 × 10,810.74
  4. Step 4: Simplify right side
    15,294.90x = 227,940,344.82
  5. Step 5: Solve for x
    x = 227,940,344.82/15,294.90
  6. Step 6: Final answer
    x = 14,903.03

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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.