Home / 15,621.23-23,430.63-6,260.87

Finding the Fourth Proportional to 15,621.23, 23,430.63 and 6,260.87

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Solution

The fourth proportional to 15,621.23, 23,430.63 and 6,260.87 is: 9,390.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,621.23 : 23,430.63 = 6,260.87 : x
  2. Step 2: Convert to fraction form
    15,621.23/23,430.63 = 6,260.87/x
  3. Step 3: Cross multiply
    15,621.23x = 23,430.63 × 6,260.87
  4. Step 4: Simplify right side
    15,621.23x = 146,696,128.45
  5. Step 5: Solve for x
    x = 146,696,128.45/15,621.23
  6. Step 6: Final answer
    x = 9,390.82

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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.