Home / 19,810.94-29,734.89-10,457.87

Finding the Fourth Proportional to 19,810.94, 29,734.89 and 10,457.87

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Solution

The fourth proportional to 19,810.94, 29,734.89 and 10,457.87 is: 15,696.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,810.94 : 29,734.89 = 10,457.87 : x
  2. Step 2: Convert to fraction form
    19,810.94/29,734.89 = 10,457.87/x
  3. Step 3: Cross multiply
    19,810.94x = 29,734.89 × 10,457.87
  4. Step 4: Simplify right side
    19,810.94x = 310,963,465.41
  5. Step 5: Solve for x
    x = 310,963,465.41/19,810.94
  6. Step 6: Final answer
    x = 15,696.56

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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.