Home / 19,300.64-28,950.42-6,153.80

Finding the Fourth Proportional to 19,300.64, 28,950.42 and 6,153.80

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Solution

The fourth proportional to 19,300.64, 28,950.42 and 6,153.80 is: 9,230.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,300.64 : 28,950.42 = 6,153.80 : x
  2. Step 2: Convert to fraction form
    19,300.64/28,950.42 = 6,153.80/x
  3. Step 3: Cross multiply
    19,300.64x = 28,950.42 × 6,153.80
  4. Step 4: Simplify right side
    19,300.64x = 178,155,094.60
  5. Step 5: Solve for x
    x = 178,155,094.60/19,300.64
  6. Step 6: Final answer
    x = 9,230.53

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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.