Home / 10,140.40-15,210.48-3,566.56

Finding the Fourth Proportional to 10,140.40, 15,210.48 and 3,566.56

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Solution

The fourth proportional to 10,140.40, 15,210.48 and 3,566.56 is: 5,349.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,140.40 : 15,210.48 = 3,566.56 : x
  2. Step 2: Convert to fraction form
    10,140.40/15,210.48 = 3,566.56/x
  3. Step 3: Cross multiply
    10,140.40x = 15,210.48 × 3,566.56
  4. Step 4: Simplify right side
    10,140.40x = 54,249,089.55
  5. Step 5: Solve for x
    x = 54,249,089.55/10,140.40
  6. Step 6: Final answer
    x = 5,349.80

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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.