Home / 14,399.51-19,863.25-8,430.02

Finding the Fourth Proportional to 14,399.51, 19,863.25 and 8,430.02

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Solution

The fourth proportional to 14,399.51, 19,863.25 and 8,430.02 is: 11,628.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,399.51 : 19,863.25 = 8,430.02 : x
  2. Step 2: Convert to fraction form
    14,399.51/19,863.25 = 8,430.02/x
  3. Step 3: Cross multiply
    14,399.51x = 19,863.25 × 8,430.02
  4. Step 4: Simplify right side
    14,399.51x = 167,447,552.61
  5. Step 5: Solve for x
    x = 167,447,552.61/14,399.51
  6. Step 6: Final answer
    x = 11,628.70

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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.