Home / 14,890.74-20,547.68-8,922.26

Finding the Fourth Proportional to 14,890.74, 20,547.68 and 8,922.26

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Solution

The fourth proportional to 14,890.74, 20,547.68 and 8,922.26 is: 12,311.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,890.74 : 20,547.68 = 8,922.26 : x
  2. Step 2: Convert to fraction form
    14,890.74/20,547.68 = 8,922.26/x
  3. Step 3: Cross multiply
    14,890.74x = 20,547.68 × 8,922.26
  4. Step 4: Simplify right side
    14,890.74x = 183,331,743.36
  5. Step 5: Solve for x
    x = 183,331,743.36/14,890.74
  6. Step 6: Final answer
    x = 12,311.80

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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.