Home / 19,031.90-26,272.74-13,585.13

Finding the Fourth Proportional to 19,031.90, 26,272.74 and 13,585.13

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Solution

The fourth proportional to 19,031.90, 26,272.74 and 13,585.13 is: 18,753.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,031.90 : 26,272.74 = 13,585.13 : x
  2. Step 2: Convert to fraction form
    19,031.90/26,272.74 = 13,585.13/x
  3. Step 3: Cross multiply
    19,031.90x = 26,272.74 × 13,585.13
  4. Step 4: Simplify right side
    19,031.90x = 356,918,588.36
  5. Step 5: Solve for x
    x = 356,918,588.36/19,031.90
  6. Step 6: Final answer
    x = 18,753.70

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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.