Home / 15,639.40-23,400.24-10,968.53

Finding the Fourth Proportional to 15,639.40, 23,400.24 and 10,968.53

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Solution

The fourth proportional to 15,639.40, 23,400.24 and 10,968.53 is: 16,411.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,639.40 : 23,400.24 = 10,968.53 : x
  2. Step 2: Convert to fraction form
    15,639.40/23,400.24 = 10,968.53/x
  3. Step 3: Cross multiply
    15,639.40x = 23,400.24 × 10,968.53
  4. Step 4: Simplify right side
    15,639.40x = 256,666,117.45
  5. Step 5: Solve for x
    x = 256,666,117.45/15,639.40
  6. Step 6: Final answer
    x = 16,411.51

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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.