Home / 9,075.36-13,613.04-6,146.40

Finding the Fourth Proportional to 9,075.36, 13,613.04 and 6,146.40

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Solution

The fourth proportional to 9,075.36, 13,613.04 and 6,146.40 is: 9,219.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,075.36 : 13,613.04 = 6,146.40 : x
  2. Step 2: Convert to fraction form
    9,075.36/13,613.04 = 6,146.40/x
  3. Step 3: Cross multiply
    9,075.36x = 13,613.04 × 6,146.40
  4. Step 4: Simplify right side
    9,075.36x = 83,671,189.06
  5. Step 5: Solve for x
    x = 83,671,189.06/9,075.36
  6. Step 6: Final answer
    x = 9,219.60

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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.