Home / 19,219.86-26,526.03-11,265.25

Finding the Fourth Proportional to 19,219.86, 26,526.03 and 11,265.25

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Solution

The fourth proportional to 19,219.86, 26,526.03 and 11,265.25 is: 15,547.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,219.86 : 26,526.03 = 11,265.25 : x
  2. Step 2: Convert to fraction form
    19,219.86/26,526.03 = 11,265.25/x
  3. Step 3: Cross multiply
    19,219.86x = 26,526.03 × 11,265.25
  4. Step 4: Simplify right side
    19,219.86x = 298,822,401.70
  5. Step 5: Solve for x
    x = 298,822,401.70/19,219.86
  6. Step 6: Final answer
    x = 15,547.59

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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.