Home / 14,088.60-21,124.80-4,226.40

Finding the Fourth Proportional to 14,088.60, 21,124.80 and 4,226.40

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Solution

The fourth proportional to 14,088.60, 21,124.80 and 4,226.40 is: 6,337.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,088.60 : 21,124.80 = 4,226.40 : x
  2. Step 2: Convert to fraction form
    14,088.60/21,124.80 = 4,226.40/x
  3. Step 3: Cross multiply
    14,088.60x = 21,124.80 × 4,226.40
  4. Step 4: Simplify right side
    14,088.60x = 89,281,854.72
  5. Step 5: Solve for x
    x = 89,281,854.72/14,088.60
  6. Step 6: Final answer
    x = 6,337.17

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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.