Home / 10,445.04-15,668.64-3,520.08

Finding the Fourth Proportional to 10,445.04, 15,668.64 and 3,520.08

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Solution

The fourth proportional to 10,445.04, 15,668.64 and 3,520.08 is: 5,280.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,445.04 : 15,668.64 = 3,520.08 : x
  2. Step 2: Convert to fraction form
    10,445.04/15,668.64 = 3,520.08/x
  3. Step 3: Cross multiply
    10,445.04x = 15,668.64 × 3,520.08
  4. Step 4: Simplify right side
    10,445.04x = 55,154,866.29
  5. Step 5: Solve for x
    x = 55,154,866.29/10,445.04
  6. Step 6: Final answer
    x = 5,280.48

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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.