Home / 13,458.89-18,569.04-9,482.20

Finding the Fourth Proportional to 13,458.89, 18,569.04 and 9,482.20

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Solution

The fourth proportional to 13,458.89, 18,569.04 and 9,482.20 is: 13,082.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,458.89 : 18,569.04 = 9,482.20 : x
  2. Step 2: Convert to fraction form
    13,458.89/18,569.04 = 9,482.20/x
  3. Step 3: Cross multiply
    13,458.89x = 18,569.04 × 9,482.20
  4. Step 4: Simplify right side
    13,458.89x = 176,075,351.09
  5. Step 5: Solve for x
    x = 176,075,351.09/13,458.89
  6. Step 6: Final answer
    x = 13,082.46

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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.