Home / 13,151.95-19,727.51-4,386.94

Finding the Fourth Proportional to 13,151.95, 19,727.51 and 4,386.94

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Solution

The fourth proportional to 13,151.95, 19,727.51 and 4,386.94 is: 6,580.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,151.95 : 19,727.51 = 4,386.94 : x
  2. Step 2: Convert to fraction form
    13,151.95/19,727.51 = 4,386.94/x
  3. Step 3: Cross multiply
    13,151.95x = 19,727.51 × 4,386.94
  4. Step 4: Simplify right side
    13,151.95x = 86,543,402.72
  5. Step 5: Solve for x
    x = 86,543,402.72/13,151.95
  6. Step 6: Final answer
    x = 6,580.27

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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.