Home / 9,907.35-14,867.48-4,290.51

Finding the Fourth Proportional to 9,907.35, 14,867.48 and 4,290.51

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Solution

The fourth proportional to 9,907.35, 14,867.48 and 4,290.51 is: 6,438.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,907.35 : 14,867.48 = 4,290.51 : x
  2. Step 2: Convert to fraction form
    9,907.35/14,867.48 = 4,290.51/x
  3. Step 3: Cross multiply
    9,907.35x = 14,867.48 × 4,290.51
  4. Step 4: Simplify right side
    9,907.35x = 63,789,050.16
  5. Step 5: Solve for x
    x = 63,789,050.16/9,907.35
  6. Step 6: Final answer
    x = 6,438.56

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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.