Home / 15,573.56-23,364.40-5,185.40

Finding the Fourth Proportional to 15,573.56, 23,364.40 and 5,185.40

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Solution

The fourth proportional to 15,573.56, 23,364.40 and 5,185.40 is: 7,779.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,573.56 : 23,364.40 = 5,185.40 : x
  2. Step 2: Convert to fraction form
    15,573.56/23,364.40 = 5,185.40/x
  3. Step 3: Cross multiply
    15,573.56x = 23,364.40 × 5,185.40
  4. Step 4: Simplify right side
    15,573.56x = 121,153,759.76
  5. Step 5: Solve for x
    x = 121,153,759.76/15,573.56
  6. Step 6: Final answer
    x = 7,779.45

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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.