Home / 15,366.31-23,012.51-10,420.92

Finding the Fourth Proportional to 15,366.31, 23,012.51 and 10,420.92

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Solution

The fourth proportional to 15,366.31, 23,012.51 and 10,420.92 is: 15,606.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,366.31 : 23,012.51 = 10,420.92 : x
  2. Step 2: Convert to fraction form
    15,366.31/23,012.51 = 10,420.92/x
  3. Step 3: Cross multiply
    15,366.31x = 23,012.51 × 10,420.92
  4. Step 4: Simplify right side
    15,366.31x = 239,811,473.60
  5. Step 5: Solve for x
    x = 239,811,473.60/15,366.31
  6. Step 6: Final answer
    x = 15,606.32

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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.