Home / 15,111.90-22,643.55-9,555.30

Finding the Fourth Proportional to 15,111.90, 22,643.55 and 9,555.30

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Solution

The fourth proportional to 15,111.90, 22,643.55 and 9,555.30 is: 14,317.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,111.90 : 22,643.55 = 9,555.30 : x
  2. Step 2: Convert to fraction form
    15,111.90/22,643.55 = 9,555.30/x
  3. Step 3: Cross multiply
    15,111.90x = 22,643.55 × 9,555.30
  4. Step 4: Simplify right side
    15,111.90x = 216,365,913.32
  5. Step 5: Solve for x
    x = 216,365,913.32/15,111.90
  6. Step 6: Final answer
    x = 14,317.59

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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.