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Finding the Fourth Proportional to 10,030.80, 15,007.80 and 6,574.80

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Solution

The fourth proportional to 10,030.80, 15,007.80 and 6,574.80 is: 9,837.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,030.80 : 15,007.80 = 6,574.80 : x
  2. Step 2: Convert to fraction form
    10,030.80/15,007.80 = 6,574.80/x
  3. Step 3: Cross multiply
    10,030.80x = 15,007.80 × 6,574.80
  4. Step 4: Simplify right side
    10,030.80x = 98,673,283.44
  5. Step 5: Solve for x
    x = 98,673,283.44/10,030.80
  6. Step 6: Final answer
    x = 9,837.03

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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.