Home / 14,407.32-21,609.12-4,545.81

Finding the Fourth Proportional to 14,407.32, 21,609.12 and 4,545.81

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Solution

The fourth proportional to 14,407.32, 21,609.12 and 4,545.81 is: 6,818.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,407.32 : 21,609.12 = 4,545.81 : x
  2. Step 2: Convert to fraction form
    14,407.32/21,609.12 = 4,545.81/x
  3. Step 3: Cross multiply
    14,407.32x = 21,609.12 × 4,545.81
  4. Step 4: Simplify right side
    14,407.32x = 98,230,953.79
  5. Step 5: Solve for x
    x = 98,230,953.79/14,407.32
  6. Step 6: Final answer
    x = 6,818.13

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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.