Home / 10,038.48-15,058.24-4,189.20

Finding the Fourth Proportional to 10,038.48, 15,058.24 and 4,189.20

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Solution

The fourth proportional to 10,038.48, 15,058.24 and 4,189.20 is: 6,284.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,038.48 : 15,058.24 = 4,189.20 : x
  2. Step 2: Convert to fraction form
    10,038.48/15,058.24 = 4,189.20/x
  3. Step 3: Cross multiply
    10,038.48x = 15,058.24 × 4,189.20
  4. Step 4: Simplify right side
    10,038.48x = 63,081,979.01
  5. Step 5: Solve for x
    x = 63,081,979.01/10,038.48
  6. Step 6: Final answer
    x = 6,284.02

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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.