Home / 12,570.48-18,853.44-4,776.72

Finding the Fourth Proportional to 12,570.48, 18,853.44 and 4,776.72

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Solution

The fourth proportional to 12,570.48, 18,853.44 and 4,776.72 is: 7,164.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,570.48 : 18,853.44 = 4,776.72 : x
  2. Step 2: Convert to fraction form
    12,570.48/18,853.44 = 4,776.72/x
  3. Step 3: Cross multiply
    12,570.48x = 18,853.44 × 4,776.72
  4. Step 4: Simplify right side
    12,570.48x = 90,057,603.92
  5. Step 5: Solve for x
    x = 90,057,603.92/12,570.48
  6. Step 6: Final answer
    x = 7,164.21

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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.