Home / 12,865.41-19,264.32-10,353.24

Finding the Fourth Proportional to 12,865.41, 19,264.32 and 10,353.24

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Solution

The fourth proportional to 12,865.41, 19,264.32 and 10,353.24 is: 15,502.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,865.41 : 19,264.32 = 10,353.24 : x
  2. Step 2: Convert to fraction form
    12,865.41/19,264.32 = 10,353.24/x
  3. Step 3: Cross multiply
    12,865.41x = 19,264.32 × 10,353.24
  4. Step 4: Simplify right side
    12,865.41x = 199,448,128.40
  5. Step 5: Solve for x
    x = 199,448,128.40/12,865.41
  6. Step 6: Final answer
    x = 15,502.66

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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.