Home / 43,311.16-64,966.74-10,479.16

Finding the Fourth Proportional to 43,311.16, 64,966.74 and 10,479.16

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Solution

The fourth proportional to 43,311.16, 64,966.74 and 10,479.16 is: 15,718.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,311.16 : 64,966.74 = 10,479.16 : x
  2. Step 2: Convert to fraction form
    43,311.16/64,966.74 = 10,479.16/x
  3. Step 3: Cross multiply
    43,311.16x = 64,966.74 × 10,479.16
  4. Step 4: Simplify right side
    43,311.16x = 680,796,674.52
  5. Step 5: Solve for x
    x = 680,796,674.52/43,311.16
  6. Step 6: Final answer
    x = 15,718.74

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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.