Home / 10,152.87-15,228.95-3,578.89

Finding the Fourth Proportional to 10,152.87, 15,228.95 and 3,578.89

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Solution

The fourth proportional to 10,152.87, 15,228.95 and 3,578.89 is: 5,368.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,152.87 : 15,228.95 = 3,578.89 : x
  2. Step 2: Convert to fraction form
    10,152.87/15,228.95 = 3,578.89/x
  3. Step 3: Cross multiply
    10,152.87x = 15,228.95 × 3,578.89
  4. Step 4: Simplify right side
    10,152.87x = 54,502,707.74
  5. Step 5: Solve for x
    x = 54,502,707.74/10,152.87
  6. Step 6: Final answer
    x = 5,368.21

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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.