Home / 19,884.75-29,802.51-10,018.65

Finding the Fourth Proportional to 19,884.75, 29,802.51 and 10,018.65

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Solution

The fourth proportional to 19,884.75, 29,802.51 and 10,018.65 is: 15,015.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,884.75 : 29,802.51 = 10,018.65 : x
  2. Step 2: Convert to fraction form
    19,884.75/29,802.51 = 10,018.65/x
  3. Step 3: Cross multiply
    19,884.75x = 29,802.51 × 10,018.65
  4. Step 4: Simplify right side
    19,884.75x = 298,580,916.81
  5. Step 5: Solve for x
    x = 298,580,916.81/19,884.75
  6. Step 6: Final answer
    x = 15,015.57

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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.