Home / 10,364.76-15,535.84-5,089.30

Finding the Fourth Proportional to 10,364.76, 15,535.84 and 5,089.30

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Solution

The fourth proportional to 10,364.76, 15,535.84 and 5,089.30 is: 7,628.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,364.76 : 15,535.84 = 5,089.30 : x
  2. Step 2: Convert to fraction form
    10,364.76/15,535.84 = 5,089.30/x
  3. Step 3: Cross multiply
    10,364.76x = 15,535.84 × 5,089.30
  4. Step 4: Simplify right side
    10,364.76x = 79,066,460.11
  5. Step 5: Solve for x
    x = 79,066,460.11/10,364.76
  6. Step 6: Final answer
    x = 7,628.39

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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.