Home / 13,389.16-18,468.37-10,552.13

Finding the Fourth Proportional to 13,389.16, 18,468.37 and 10,552.13

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Solution

The fourth proportional to 13,389.16, 18,468.37 and 10,552.13 is: 14,555.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,389.16 : 18,468.37 = 10,552.13 : x
  2. Step 2: Convert to fraction form
    13,389.16/18,468.37 = 10,552.13/x
  3. Step 3: Cross multiply
    13,389.16x = 18,468.37 × 10,552.13
  4. Step 4: Simplify right side
    13,389.16x = 194,880,641.13
  5. Step 5: Solve for x
    x = 194,880,641.13/13,389.16
  6. Step 6: Final answer
    x = 14,555.11

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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.