Home / 10,411.84-15,612.16-4,561.64

Finding the Fourth Proportional to 10,411.84, 15,612.16 and 4,561.64

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Solution

The fourth proportional to 10,411.84, 15,612.16 and 4,561.64 is: 6,840.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,411.84 : 15,612.16 = 4,561.64 : x
  2. Step 2: Convert to fraction form
    10,411.84/15,612.16 = 4,561.64/x
  3. Step 3: Cross multiply
    10,411.84x = 15,612.16 × 4,561.64
  4. Step 4: Simplify right side
    10,411.84x = 71,217,053.54
  5. Step 5: Solve for x
    x = 71,217,053.54/10,411.84
  6. Step 6: Final answer
    x = 6,840.01

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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.