Home / 14,368.78-21,547.20-5,487.33

Finding the Fourth Proportional to 14,368.78, 21,547.20 and 5,487.33

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Solution

The fourth proportional to 14,368.78, 21,547.20 and 5,487.33 is: 8,228.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,368.78 : 21,547.20 = 5,487.33 : x
  2. Step 2: Convert to fraction form
    14,368.78/21,547.20 = 5,487.33/x
  3. Step 3: Cross multiply
    14,368.78x = 21,547.20 × 5,487.33
  4. Step 4: Simplify right side
    14,368.78x = 118,236,596.98
  5. Step 5: Solve for x
    x = 118,236,596.98/14,368.78
  6. Step 6: Final answer
    x = 8,228.72

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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.