Home / 14,561.80-21,842.70-6,240.40

Finding the Fourth Proportional to 14,561.80, 21,842.70 and 6,240.40

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Solution

The fourth proportional to 14,561.80, 21,842.70 and 6,240.40 is: 9,360.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,561.80 : 21,842.70 = 6,240.40 : x
  2. Step 2: Convert to fraction form
    14,561.80/21,842.70 = 6,240.40/x
  3. Step 3: Cross multiply
    14,561.80x = 21,842.70 × 6,240.40
  4. Step 4: Simplify right side
    14,561.80x = 136,307,185.08
  5. Step 5: Solve for x
    x = 136,307,185.08/14,561.80
  6. Step 6: Final answer
    x = 9,360.60

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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.