Home / 15,435.52-21,296.02-9,464.20

Finding the Fourth Proportional to 15,435.52, 21,296.02 and 9,464.20

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Solution

The fourth proportional to 15,435.52, 21,296.02 and 9,464.20 is: 13,057.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,435.52 : 21,296.02 = 9,464.20 : x
  2. Step 2: Convert to fraction form
    15,435.52/21,296.02 = 9,464.20/x
  3. Step 3: Cross multiply
    15,435.52x = 21,296.02 × 9,464.20
  4. Step 4: Simplify right side
    15,435.52x = 201,549,792.48
  5. Step 5: Solve for x
    x = 201,549,792.48/15,435.52
  6. Step 6: Final answer
    x = 13,057.53

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.