Home / 19,135.46-26,411.10-10,640.48

Finding the Fourth Proportional to 19,135.46, 26,411.10 and 10,640.48

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Solution

The fourth proportional to 19,135.46, 26,411.10 and 10,640.48 is: 14,686.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,135.46 : 26,411.10 = 10,640.48 : x
  2. Step 2: Convert to fraction form
    19,135.46/26,411.10 = 10,640.48/x
  3. Step 3: Cross multiply
    19,135.46x = 26,411.10 × 10,640.48
  4. Step 4: Simplify right side
    19,135.46x = 281,026,649.27
  5. Step 5: Solve for x
    x = 281,026,649.27/19,135.46
  6. Step 6: Final answer
    x = 14,686.18

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.