Home / 14,740.85-20,307.78-10,256.89

Finding the Fourth Proportional to 14,740.85, 20,307.78 and 10,256.89

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Solution

The fourth proportional to 14,740.85, 20,307.78 and 10,256.89 is: 14,130.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,740.85 : 20,307.78 = 10,256.89 : x
  2. Step 2: Convert to fraction form
    14,740.85/20,307.78 = 10,256.89/x
  3. Step 3: Cross multiply
    14,740.85x = 20,307.78 × 10,256.89
  4. Step 4: Simplify right side
    14,740.85x = 208,294,614.32
  5. Step 5: Solve for x
    x = 208,294,614.32/14,740.85
  6. Step 6: Final answer
    x = 14,130.43

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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.