Home / 19,051.24-26,290.50-10,985.80

Finding the Fourth Proportional to 19,051.24, 26,290.50 and 10,985.80

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Solution

The fourth proportional to 19,051.24, 26,290.50 and 10,985.80 is: 15,160.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,051.24 : 26,290.50 = 10,985.80 : x
  2. Step 2: Convert to fraction form
    19,051.24/26,290.50 = 10,985.80/x
  3. Step 3: Cross multiply
    19,051.24x = 26,290.50 × 10,985.80
  4. Step 4: Simplify right side
    19,051.24x = 288,822,174.90
  5. Step 5: Solve for x
    x = 288,822,174.90/19,051.24
  6. Step 6: Final answer
    x = 15,160.28

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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.