Home / 14,323.84-21,461.46-6,931.78

Finding the Fourth Proportional to 14,323.84, 21,461.46 and 6,931.78

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Solution

The fourth proportional to 14,323.84, 21,461.46 and 6,931.78 is: 10,385.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,323.84 : 21,461.46 = 6,931.78 : x
  2. Step 2: Convert to fraction form
    14,323.84/21,461.46 = 6,931.78/x
  3. Step 3: Cross multiply
    14,323.84x = 21,461.46 × 6,931.78
  4. Step 4: Simplify right side
    14,323.84x = 148,766,119.20
  5. Step 5: Solve for x
    x = 148,766,119.20/14,323.84
  6. Step 6: Final answer
    x = 10,385.91

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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.