Home / 21,811.06-32,695.80-7,009.59

Finding the Fourth Proportional to 21,811.06, 32,695.80 and 7,009.59

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Solution

The fourth proportional to 21,811.06, 32,695.80 and 7,009.59 is: 10,507.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,811.06 : 32,695.80 = 7,009.59 : x
  2. Step 2: Convert to fraction form
    21,811.06/32,695.80 = 7,009.59/x
  3. Step 3: Cross multiply
    21,811.06x = 32,695.80 × 7,009.59
  4. Step 4: Simplify right side
    21,811.06x = 229,184,152.72
  5. Step 5: Solve for x
    x = 229,184,152.72/21,811.06
  6. Step 6: Final answer
    x = 10,507.70

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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.