Home / 14,862.81-20,519.54-9,831.35

Finding the Fourth Proportional to 14,862.81, 20,519.54 and 9,831.35

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Solution

The fourth proportional to 14,862.81, 20,519.54 and 9,831.35 is: 13,573.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,862.81 : 20,519.54 = 9,831.35 : x
  2. Step 2: Convert to fraction form
    14,862.81/20,519.54 = 9,831.35/x
  3. Step 3: Cross multiply
    14,862.81x = 20,519.54 × 9,831.35
  4. Step 4: Simplify right side
    14,862.81x = 201,734,758.47
  5. Step 5: Solve for x
    x = 201,734,758.47/14,862.81
  6. Step 6: Final answer
    x = 13,573.12

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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.