Home / 20,130.04-30,187.50-6,979.24

Finding the Fourth Proportional to 20,130.04, 30,187.50 and 6,979.24

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Solution

The fourth proportional to 20,130.04, 30,187.50 and 6,979.24 is: 10,466.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,130.04 : 30,187.50 = 6,979.24 : x
  2. Step 2: Convert to fraction form
    20,130.04/30,187.50 = 6,979.24/x
  3. Step 3: Cross multiply
    20,130.04x = 30,187.50 × 6,979.24
  4. Step 4: Simplify right side
    20,130.04x = 210,685,807.50
  5. Step 5: Solve for x
    x = 210,685,807.50/20,130.04
  6. Step 6: Final answer
    x = 10,466.24

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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.