Home / 22,085.64-30,479.04-12,656.07

Finding the Fourth Proportional to 22,085.64, 30,479.04 and 12,656.07

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Solution

The fourth proportional to 22,085.64, 30,479.04 and 12,656.07 is: 17,465.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,085.64 : 30,479.04 = 12,656.07 : x
  2. Step 2: Convert to fraction form
    22,085.64/30,479.04 = 12,656.07/x
  3. Step 3: Cross multiply
    22,085.64x = 30,479.04 × 12,656.07
  4. Step 4: Simplify right side
    22,085.64x = 385,744,863.77
  5. Step 5: Solve for x
    x = 385,744,863.77/22,085.64
  6. Step 6: Final answer
    x = 17,465.87

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.