Home / 12,430.98-18,637.32-5,853.57

Finding the Fourth Proportional to 12,430.98, 18,637.32 and 5,853.57

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Solution

The fourth proportional to 12,430.98, 18,637.32 and 5,853.57 is: 8,776.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,430.98 : 18,637.32 = 5,853.57 : x
  2. Step 2: Convert to fraction form
    12,430.98/18,637.32 = 5,853.57/x
  3. Step 3: Cross multiply
    12,430.98x = 18,637.32 × 5,853.57
  4. Step 4: Simplify right side
    12,430.98x = 109,094,857.23
  5. Step 5: Solve for x
    x = 109,094,857.23/12,430.98
  6. Step 6: Final answer
    x = 8,776.05

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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.