Home / 10,467.20-15,657.60-9,430.40

Finding the Fourth Proportional to 10,467.20, 15,657.60 and 9,430.40

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Solution

The fourth proportional to 10,467.20, 15,657.60 and 9,430.40 is: 14,106.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,467.20 : 15,657.60 = 9,430.40 : x
  2. Step 2: Convert to fraction form
    10,467.20/15,657.60 = 9,430.40/x
  3. Step 3: Cross multiply
    10,467.20x = 15,657.60 × 9,430.40
  4. Step 4: Simplify right side
    10,467.20x = 147,657,431.04
  5. Step 5: Solve for x
    x = 147,657,431.04/10,467.20
  6. Step 6: Final answer
    x = 14,106.68

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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.