Home / 15,152.40-22,718.81-6,384.96

Finding the Fourth Proportional to 15,152.40, 22,718.81 and 6,384.96

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Solution

The fourth proportional to 15,152.40, 22,718.81 and 6,384.96 is: 9,573.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,152.40 : 22,718.81 = 6,384.96 : x
  2. Step 2: Convert to fraction form
    15,152.40/22,718.81 = 6,384.96/x
  3. Step 3: Cross multiply
    15,152.40x = 22,718.81 × 6,384.96
  4. Step 4: Simplify right side
    15,152.40x = 145,058,709.06
  5. Step 5: Solve for x
    x = 145,058,709.06/15,152.40
  6. Step 6: Final answer
    x = 9,573.32

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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.