Home / 12,350.40-18,528.30-4,030.80

Finding the Fourth Proportional to 12,350.40, 18,528.30 and 4,030.80

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Solution

The fourth proportional to 12,350.40, 18,528.30 and 4,030.80 is: 6,047.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,350.40 : 18,528.30 = 4,030.80 : x
  2. Step 2: Convert to fraction form
    12,350.40/18,528.30 = 4,030.80/x
  3. Step 3: Cross multiply
    12,350.40x = 18,528.30 × 4,030.80
  4. Step 4: Simplify right side
    12,350.40x = 74,683,871.64
  5. Step 5: Solve for x
    x = 74,683,871.64/12,350.40
  6. Step 6: Final answer
    x = 6,047.08

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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.