Home / 19,031.66-26,263.64-10,648.16

Finding the Fourth Proportional to 19,031.66, 26,263.64 and 10,648.16

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Solution

The fourth proportional to 19,031.66, 26,263.64 and 10,648.16 is: 14,694.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,031.66 : 26,263.64 = 10,648.16 : x
  2. Step 2: Convert to fraction form
    19,031.66/26,263.64 = 10,648.16/x
  3. Step 3: Cross multiply
    19,031.66x = 26,263.64 × 10,648.16
  4. Step 4: Simplify right side
    19,031.66x = 279,659,440.90
  5. Step 5: Solve for x
    x = 279,659,440.90/19,031.66
  6. Step 6: Final answer
    x = 14,694.43

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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.