Home / 13,075-19,576.60-9,130.18

Finding the Fourth Proportional to 13,075, 19,576.60 and 9,130.18

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Solution

The fourth proportional to 13,075, 19,576.60 and 9,130.18 is: 13,670.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,075 : 19,576.60 = 9,130.18 : x
  2. Step 2: Convert to fraction form
    13,075/19,576.60 = 9,130.18/x
  3. Step 3: Cross multiply
    13,075x = 19,576.60 × 9,130.18
  4. Step 4: Simplify right side
    13,075x = 178,737,881.79
  5. Step 5: Solve for x
    x = 178,737,881.79/13,075
  6. Step 6: Final answer
    x = 13,670.20

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.