Home / 13,303.71-18,365.22-9,477.99

Finding the Fourth Proportional to 13,303.71, 18,365.22 and 9,477.99

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Solution

The fourth proportional to 13,303.71, 18,365.22 and 9,477.99 is: 13,083.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,303.71 : 18,365.22 = 9,477.99 : x
  2. Step 2: Convert to fraction form
    13,303.71/18,365.22 = 9,477.99/x
  3. Step 3: Cross multiply
    13,303.71x = 18,365.22 × 9,477.99
  4. Step 4: Simplify right side
    13,303.71x = 174,065,371.51
  5. Step 5: Solve for x
    x = 174,065,371.51/13,303.71
  6. Step 6: Final answer
    x = 13,083.97

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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.