Home / 10,029.80-15,030.30-7,376.60

Finding the Fourth Proportional to 10,029.80, 15,030.30 and 7,376.60

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Solution

The fourth proportional to 10,029.80, 15,030.30 and 7,376.60 is: 11,054.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,029.80 : 15,030.30 = 7,376.60 : x
  2. Step 2: Convert to fraction form
    10,029.80/15,030.30 = 7,376.60/x
  3. Step 3: Cross multiply
    10,029.80x = 15,030.30 × 7,376.60
  4. Step 4: Simplify right side
    10,029.80x = 110,872,510.98
  5. Step 5: Solve for x
    x = 110,872,510.98/10,029.80
  6. Step 6: Final answer
    x = 11,054.31

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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.