Home / 14,510.29-21,765.44-9,578.78

Finding the Fourth Proportional to 14,510.29, 21,765.44 and 9,578.78

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Solution

The fourth proportional to 14,510.29, 21,765.44 and 9,578.78 is: 14,368.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,510.29 : 21,765.44 = 9,578.78 : x
  2. Step 2: Convert to fraction form
    14,510.29/21,765.44 = 9,578.78/x
  3. Step 3: Cross multiply
    14,510.29x = 21,765.44 × 9,578.78
  4. Step 4: Simplify right side
    14,510.29x = 208,486,204.64
  5. Step 5: Solve for x
    x = 208,486,204.64/14,510.29
  6. Step 6: Final answer
    x = 14,368.16

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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.