Home / 18,802.95-28,205.27-10,476.66

Finding the Fourth Proportional to 18,802.95, 28,205.27 and 10,476.66

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Solution

The fourth proportional to 18,802.95, 28,205.27 and 10,476.66 is: 15,715.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,802.95 : 28,205.27 = 10,476.66 : x
  2. Step 2: Convert to fraction form
    18,802.95/28,205.27 = 10,476.66/x
  3. Step 3: Cross multiply
    18,802.95x = 28,205.27 × 10,476.66
  4. Step 4: Simplify right side
    18,802.95x = 295,496,971.61
  5. Step 5: Solve for x
    x = 295,496,971.61/18,802.95
  6. Step 6: Final answer
    x = 15,715.46

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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.