Home / 14,930.70-22,359.60-7,130.40

Finding the Fourth Proportional to 14,930.70, 22,359.60 and 7,130.40

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Solution

The fourth proportional to 14,930.70, 22,359.60 and 7,130.40 is: 10,678.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,930.70 : 22,359.60 = 7,130.40 : x
  2. Step 2: Convert to fraction form
    14,930.70/22,359.60 = 7,130.40/x
  3. Step 3: Cross multiply
    14,930.70x = 22,359.60 × 7,130.40
  4. Step 4: Simplify right side
    14,930.70x = 159,432,891.84
  5. Step 5: Solve for x
    x = 159,432,891.84/14,930.70
  6. Step 6: Final answer
    x = 10,678.19

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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.