Home / 19,071.90-26,329.70-13,031.22

Finding the Fourth Proportional to 19,071.90, 26,329.70 and 13,031.22

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Solution

The fourth proportional to 19,071.90, 26,329.70 and 13,031.22 is: 17,990.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,071.90 : 26,329.70 = 13,031.22 : x
  2. Step 2: Convert to fraction form
    19,071.90/26,329.70 = 13,031.22/x
  3. Step 3: Cross multiply
    19,071.90x = 26,329.70 × 13,031.22
  4. Step 4: Simplify right side
    19,071.90x = 343,108,048.08
  5. Step 5: Solve for x
    x = 343,108,048.08/19,071.90
  6. Step 6: Final answer
    x = 17,990.24

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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.