Home / 14,284.04-19,711.47-7,910.26

Finding the Fourth Proportional to 14,284.04, 19,711.47 and 7,910.26

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Solution

The fourth proportional to 14,284.04, 19,711.47 and 7,910.26 is: 10,915.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,284.04 : 19,711.47 = 7,910.26 : x
  2. Step 2: Convert to fraction form
    14,284.04/19,711.47 = 7,910.26/x
  3. Step 3: Cross multiply
    14,284.04x = 19,711.47 × 7,910.26
  4. Step 4: Simplify right side
    14,284.04x = 155,922,803.40
  5. Step 5: Solve for x
    x = 155,922,803.40/14,284.04
  6. Step 6: Final answer
    x = 10,915.87

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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.