Home / 19,395.55-26,765.80-10,897.92

Finding the Fourth Proportional to 19,395.55, 26,765.80 and 10,897.92

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Solution

The fourth proportional to 19,395.55, 26,765.80 and 10,897.92 is: 15,039.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,395.55 : 26,765.80 = 10,897.92 : x
  2. Step 2: Convert to fraction form
    19,395.55/26,765.80 = 10,897.92/x
  3. Step 3: Cross multiply
    19,395.55x = 26,765.80 × 10,897.92
  4. Step 4: Simplify right side
    19,395.55x = 291,691,547.14
  5. Step 5: Solve for x
    x = 291,691,547.14/19,395.55
  6. Step 6: Final answer
    x = 15,039.10

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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.