Home / 21,973.26-32,953.06-7,931.46

Finding the Fourth Proportional to 21,973.26, 32,953.06 and 7,931.46

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Solution

The fourth proportional to 21,973.26, 32,953.06 and 7,931.46 is: 11,894.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,973.26 : 32,953.06 = 7,931.46 : x
  2. Step 2: Convert to fraction form
    21,973.26/32,953.06 = 7,931.46/x
  3. Step 3: Cross multiply
    21,973.26x = 32,953.06 × 7,931.46
  4. Step 4: Simplify right side
    21,973.26x = 261,365,877.27
  5. Step 5: Solve for x
    x = 261,365,877.27/21,973.26
  6. Step 6: Final answer
    x = 11,894.72

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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.