Home / 14,890.42-20,547.25-8,921.94

Finding the Fourth Proportional to 14,890.42, 20,547.25 and 8,921.94

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Solution

The fourth proportional to 14,890.42, 20,547.25 and 8,921.94 is: 12,311.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,890.42 : 20,547.25 = 8,921.94 : x
  2. Step 2: Convert to fraction form
    14,890.42/20,547.25 = 8,921.94/x
  3. Step 3: Cross multiply
    14,890.42x = 20,547.25 × 8,921.94
  4. Step 4: Simplify right side
    14,890.42x = 183,321,232.31
  5. Step 5: Solve for x
    x = 183,321,232.31/14,890.42
  6. Step 6: Final answer
    x = 12,311.35

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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.