Home / 10,036.20-15,022.80-6,897.84

Finding the Fourth Proportional to 10,036.20, 15,022.80 and 6,897.84

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Solution

The fourth proportional to 10,036.20, 15,022.80 and 6,897.84 is: 10,325.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,036.20 : 15,022.80 = 6,897.84 : x
  2. Step 2: Convert to fraction form
    10,036.20/15,022.80 = 6,897.84/x
  3. Step 3: Cross multiply
    10,036.20x = 15,022.80 × 6,897.84
  4. Step 4: Simplify right side
    10,036.20x = 103,624,870.75
  5. Step 5: Solve for x
    x = 103,624,870.75/10,036.20
  6. Step 6: Final answer
    x = 10,325.11

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.