Home / 14,459.43-19,953.50-8,490.95

Finding the Fourth Proportional to 14,459.43, 19,953.50 and 8,490.95

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Solution

The fourth proportional to 14,459.43, 19,953.50 and 8,490.95 is: 11,717.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,459.43 : 19,953.50 = 8,490.95 : x
  2. Step 2: Convert to fraction form
    14,459.43/19,953.50 = 8,490.95/x
  3. Step 3: Cross multiply
    14,459.43x = 19,953.50 × 8,490.95
  4. Step 4: Simplify right side
    14,459.43x = 169,424,028.60
  5. Step 5: Solve for x
    x = 169,424,028.60/14,459.43
  6. Step 6: Final answer
    x = 11,717.20

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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.