Home / 10,064.01-13,888.38-6,289.36

Finding the Fourth Proportional to 10,064.01, 13,888.38 and 6,289.36

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Solution

The fourth proportional to 10,064.01, 13,888.38 and 6,289.36 is: 8,679.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,064.01 : 13,888.38 = 6,289.36 : x
  2. Step 2: Convert to fraction form
    10,064.01/13,888.38 = 6,289.36/x
  3. Step 3: Cross multiply
    10,064.01x = 13,888.38 × 6,289.36
  4. Step 4: Simplify right side
    10,064.01x = 87,349,021.64
  5. Step 5: Solve for x
    x = 87,349,021.64/10,064.01
  6. Step 6: Final answer
    x = 8,679.35

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.