Home / 14,423.28-19,904.10-7,799.28

Finding the Fourth Proportional to 14,423.28, 19,904.10 and 7,799.28

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Solution

The fourth proportional to 14,423.28, 19,904.10 and 7,799.28 is: 10,762.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,423.28 : 19,904.10 = 7,799.28 : x
  2. Step 2: Convert to fraction form
    14,423.28/19,904.10 = 7,799.28/x
  3. Step 3: Cross multiply
    14,423.28x = 19,904.10 × 7,799.28
  4. Step 4: Simplify right side
    14,423.28x = 155,237,649.05
  5. Step 5: Solve for x
    x = 155,237,649.05/14,423.28
  6. Step 6: Final answer
    x = 10,762.99

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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.