Home / 14,342.40-21,483.36-6,557.76

Finding the Fourth Proportional to 14,342.40, 21,483.36 and 6,557.76

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Solution

The fourth proportional to 14,342.40, 21,483.36 and 6,557.76 is: 9,822.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,342.40 : 21,483.36 = 6,557.76 : x
  2. Step 2: Convert to fraction form
    14,342.40/21,483.36 = 6,557.76/x
  3. Step 3: Cross multiply
    14,342.40x = 21,483.36 × 6,557.76
  4. Step 4: Simplify right side
    14,342.40x = 140,882,718.87
  5. Step 5: Solve for x
    x = 140,882,718.87/14,342.40
  6. Step 6: Final answer
    x = 9,822.81

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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.