Home / 13,457.34-18,561.48-9,873.39

Finding the Fourth Proportional to 13,457.34, 18,561.48 and 9,873.39

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Solution

The fourth proportional to 13,457.34, 18,561.48 and 9,873.39 is: 13,618.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,457.34 : 18,561.48 = 9,873.39 : x
  2. Step 2: Convert to fraction form
    13,457.34/18,561.48 = 9,873.39/x
  3. Step 3: Cross multiply
    13,457.34x = 18,561.48 × 9,873.39
  4. Step 4: Simplify right side
    13,457.34x = 183,264,791.37
  5. Step 5: Solve for x
    x = 183,264,791.37/13,457.34
  6. Step 6: Final answer
    x = 13,618.20

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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.