Home / 14,666.40-21,999.60-4,278.15

Finding the Fourth Proportional to 14,666.40, 21,999.60 and 4,278.15

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Solution

The fourth proportional to 14,666.40, 21,999.60 and 4,278.15 is: 6,417.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,666.40 : 21,999.60 = 4,278.15 : x
  2. Step 2: Convert to fraction form
    14,666.40/21,999.60 = 4,278.15/x
  3. Step 3: Cross multiply
    14,666.40x = 21,999.60 × 4,278.15
  4. Step 4: Simplify right side
    14,666.40x = 94,117,588.74
  5. Step 5: Solve for x
    x = 94,117,588.74/14,666.40
  6. Step 6: Final answer
    x = 6,417.23

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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.