Home / 15,875.80-23,813.70-4,190.20

Finding the Fourth Proportional to 15,875.80, 23,813.70 and 4,190.20

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Solution

The fourth proportional to 15,875.80, 23,813.70 and 4,190.20 is: 6,285.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,875.80 : 23,813.70 = 4,190.20 : x
  2. Step 2: Convert to fraction form
    15,875.80/23,813.70 = 4,190.20/x
  3. Step 3: Cross multiply
    15,875.80x = 23,813.70 × 4,190.20
  4. Step 4: Simplify right side
    15,875.80x = 99,784,165.74
  5. Step 5: Solve for x
    x = 99,784,165.74/15,875.80
  6. Step 6: Final answer
    x = 6,285.30

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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.