Home / 10,684.51-14,749.80-7,504.55

Finding the Fourth Proportional to 10,684.51, 14,749.80 and 7,504.55

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Solution

The fourth proportional to 10,684.51, 14,749.80 and 7,504.55 is: 10,359.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,684.51 : 14,749.80 = 7,504.55 : x
  2. Step 2: Convert to fraction form
    10,684.51/14,749.80 = 7,504.55/x
  3. Step 3: Cross multiply
    10,684.51x = 14,749.80 × 7,504.55
  4. Step 4: Simplify right side
    10,684.51x = 110,690,565.01
  5. Step 5: Solve for x
    x = 110,690,565.01/10,684.51
  6. Step 6: Final answer
    x = 10,359.91

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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.