Home / 14,256.35-21,369.40-5,487.47

Finding the Fourth Proportional to 14,256.35, 21,369.40 and 5,487.47

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Solution

The fourth proportional to 14,256.35, 21,369.40 and 5,487.47 is: 8,225.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,256.35 : 21,369.40 = 5,487.47 : x
  2. Step 2: Convert to fraction form
    14,256.35/21,369.40 = 5,487.47/x
  3. Step 3: Cross multiply
    14,256.35x = 21,369.40 × 5,487.47
  4. Step 4: Simplify right side
    14,256.35x = 117,263,941.42
  5. Step 5: Solve for x
    x = 117,263,941.42/14,256.35
  6. Step 6: Final answer
    x = 8,225.38

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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.