Home / 10,260.63-15,376.90-5,574.51

Finding the Fourth Proportional to 10,260.63, 15,376.90 and 5,574.51

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Solution

The fourth proportional to 10,260.63, 15,376.90 and 5,574.51 is: 8,354.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,260.63 : 15,376.90 = 5,574.51 : x
  2. Step 2: Convert to fraction form
    10,260.63/15,376.90 = 5,574.51/x
  3. Step 3: Cross multiply
    10,260.63x = 15,376.90 × 5,574.51
  4. Step 4: Simplify right side
    10,260.63x = 85,718,682.82
  5. Step 5: Solve for x
    x = 85,718,682.82/10,260.63
  6. Step 6: Final answer
    x = 8,354.13

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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.