Home / 14,263-21,403.40-6,868.24

Finding the Fourth Proportional to 14,263, 21,403.40 and 6,868.24

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Solution

The fourth proportional to 14,263, 21,403.40 and 6,868.24 is: 10,306.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,263 : 21,403.40 = 6,868.24 : x
  2. Step 2: Convert to fraction form
    14,263/21,403.40 = 6,868.24/x
  3. Step 3: Cross multiply
    14,263x = 21,403.40 × 6,868.24
  4. Step 4: Simplify right side
    14,263x = 147,003,688.02
  5. Step 5: Solve for x
    x = 147,003,688.02/14,263
  6. Step 6: Final answer
    x = 10,306.65

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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.