Home / 19,587.00-29,384.15-6,448.60

Finding the Fourth Proportional to 19,587.00, 29,384.15 and 6,448.60

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Solution

The fourth proportional to 19,587.00, 29,384.15 and 6,448.60 is: 9,674.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,587.00 : 29,384.15 = 6,448.60 : x
  2. Step 2: Convert to fraction form
    19,587.00/29,384.15 = 6,448.60/x
  3. Step 3: Cross multiply
    19,587.00x = 29,384.15 × 6,448.60
  4. Step 4: Simplify right side
    19,587.00x = 189,486,670.45
  5. Step 5: Solve for x
    x = 189,486,670.45/19,587.00
  6. Step 6: Final answer
    x = 9,674.10

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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.