Home / 13,666.02-20,508.75-10,549.14

Finding the Fourth Proportional to 13,666.02, 20,508.75 and 10,549.14

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Solution

The fourth proportional to 13,666.02, 20,508.75 and 10,549.14 is: 15,831.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,666.02 : 20,508.75 = 10,549.14 : x
  2. Step 2: Convert to fraction form
    13,666.02/20,508.75 = 10,549.14/x
  3. Step 3: Cross multiply
    13,666.02x = 20,508.75 × 10,549.14
  4. Step 4: Simplify right side
    13,666.02x = 216,349,674.98
  5. Step 5: Solve for x
    x = 216,349,674.98/13,666.02
  6. Step 6: Final answer
    x = 15,831.21

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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.