Home / 10,661.87-14,728.26-10,101.35

Finding the Fourth Proportional to 10,661.87, 14,728.26 and 10,101.35

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Solution

The fourth proportional to 10,661.87, 14,728.26 and 10,101.35 is: 13,953.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,661.87 : 14,728.26 = 10,101.35 : x
  2. Step 2: Convert to fraction form
    10,661.87/14,728.26 = 10,101.35/x
  3. Step 3: Cross multiply
    10,661.87x = 14,728.26 × 10,101.35
  4. Step 4: Simplify right side
    10,661.87x = 148,775,235.51
  5. Step 5: Solve for x
    x = 148,775,235.51/10,661.87
  6. Step 6: Final answer
    x = 13,953.96

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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.