Home / 15,563.40-23,345.10-4,470.45

Finding the Fourth Proportional to 15,563.40, 23,345.10 and 4,470.45

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Solution

The fourth proportional to 15,563.40, 23,345.10 and 4,470.45 is: 6,705.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,563.40 : 23,345.10 = 4,470.45 : x
  2. Step 2: Convert to fraction form
    15,563.40/23,345.10 = 4,470.45/x
  3. Step 3: Cross multiply
    15,563.40x = 23,345.10 × 4,470.45
  4. Step 4: Simplify right side
    15,563.40x = 104,363,102.30
  5. Step 5: Solve for x
    x = 104,363,102.30/15,563.40
  6. Step 6: Final answer
    x = 6,705.68

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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.