Home / 21,023.06-29,011.47-11,463.05

Finding the Fourth Proportional to 21,023.06, 29,011.47 and 11,463.05

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Solution

The fourth proportional to 21,023.06, 29,011.47 and 11,463.05 is: 15,818.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,023.06 : 29,011.47 = 11,463.05 : x
  2. Step 2: Convert to fraction form
    21,023.06/29,011.47 = 11,463.05/x
  3. Step 3: Cross multiply
    21,023.06x = 29,011.47 × 11,463.05
  4. Step 4: Simplify right side
    21,023.06x = 332,559,931.18
  5. Step 5: Solve for x
    x = 332,559,931.18/21,023.06
  6. Step 6: Final answer
    x = 15,818.82

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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.