Home / 15,328.56-22,982.08-7,834.40

Finding the Fourth Proportional to 15,328.56, 22,982.08 and 7,834.40

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Solution

The fourth proportional to 15,328.56, 22,982.08 and 7,834.40 is: 11,746.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,328.56 : 22,982.08 = 7,834.40 : x
  2. Step 2: Convert to fraction form
    15,328.56/22,982.08 = 7,834.40/x
  3. Step 3: Cross multiply
    15,328.56x = 22,982.08 × 7,834.40
  4. Step 4: Simplify right side
    15,328.56x = 180,050,807.55
  5. Step 5: Solve for x
    x = 180,050,807.55/15,328.56
  6. Step 6: Final answer
    x = 11,746.10

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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.