Home / 19,688.18-29,549.33-10,334.81

Finding the Fourth Proportional to 19,688.18, 29,549.33 and 10,334.81

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Solution

The fourth proportional to 19,688.18, 29,549.33 and 10,334.81 is: 15,511.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,688.18 : 29,549.33 = 10,334.81 : x
  2. Step 2: Convert to fraction form
    19,688.18/29,549.33 = 10,334.81/x
  3. Step 3: Cross multiply
    19,688.18x = 29,549.33 × 10,334.81
  4. Step 4: Simplify right side
    19,688.18x = 305,386,511.76
  5. Step 5: Solve for x
    x = 305,386,511.76/19,688.18
  6. Step 6: Final answer
    x = 15,511.16

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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.