Home / 13,646.00-18,831.26-7,677.66

Finding the Fourth Proportional to 13,646.00, 18,831.26 and 7,677.66

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Solution

The fourth proportional to 13,646.00, 18,831.26 and 7,677.66 is: 10,595.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,646.00 : 18,831.26 = 7,677.66 : x
  2. Step 2: Convert to fraction form
    13,646.00/18,831.26 = 7,677.66/x
  3. Step 3: Cross multiply
    13,646.00x = 18,831.26 × 7,677.66
  4. Step 4: Simplify right side
    13,646.00x = 144,579,973.26
  5. Step 5: Solve for x
    x = 144,579,973.26/13,646.00
  6. Step 6: Final answer
    x = 10,595.05

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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.