Home / 10,528.61-15,790.74-3,954.65

Finding the Fourth Proportional to 10,528.61, 15,790.74 and 3,954.65

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Solution

The fourth proportional to 10,528.61, 15,790.74 and 3,954.65 is: 5,931.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,528.61 : 15,790.74 = 3,954.65 : x
  2. Step 2: Convert to fraction form
    10,528.61/15,790.74 = 3,954.65/x
  3. Step 3: Cross multiply
    10,528.61x = 15,790.74 × 3,954.65
  4. Step 4: Simplify right side
    10,528.61x = 62,446,849.94
  5. Step 5: Solve for x
    x = 62,446,849.94/10,528.61
  6. Step 6: Final answer
    x = 5,931.16

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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.