Home / 14,587.30-21,878.79-4,727.44

Finding the Fourth Proportional to 14,587.30, 21,878.79 and 4,727.44

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Solution

The fourth proportional to 14,587.30, 21,878.79 and 4,727.44 is: 7,090.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,587.30 : 21,878.79 = 4,727.44 : x
  2. Step 2: Convert to fraction form
    14,587.30/21,878.79 = 4,727.44/x
  3. Step 3: Cross multiply
    14,587.30x = 21,878.79 × 4,727.44
  4. Step 4: Simplify right side
    14,587.30x = 103,430,667.00
  5. Step 5: Solve for x
    x = 103,430,667.00/14,587.30
  6. Step 6: Final answer
    x = 7,090.46

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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.