Home / 19,886.55-29,829.12-5,095.60

Finding the Fourth Proportional to 19,886.55, 29,829.12 and 5,095.60

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Solution

The fourth proportional to 19,886.55, 29,829.12 and 5,095.60 is: 7,643.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,886.55 : 29,829.12 = 5,095.60 : x
  2. Step 2: Convert to fraction form
    19,886.55/29,829.12 = 5,095.60/x
  3. Step 3: Cross multiply
    19,886.55x = 29,829.12 × 5,095.60
  4. Step 4: Simplify right side
    19,886.55x = 151,997,263.87
  5. Step 5: Solve for x
    x = 151,997,263.87/19,886.55
  6. Step 6: Final answer
    x = 7,643.22

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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.