Home / 10,020.14-15,030.08-4,810.22

Finding the Fourth Proportional to 10,020.14, 15,030.08 and 4,810.22

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Solution

The fourth proportional to 10,020.14, 15,030.08 and 4,810.22 is: 7,215.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,020.14 : 15,030.08 = 4,810.22 : x
  2. Step 2: Convert to fraction form
    10,020.14/15,030.08 = 4,810.22/x
  3. Step 3: Cross multiply
    10,020.14x = 15,030.08 × 4,810.22
  4. Step 4: Simplify right side
    10,020.14x = 72,297,967.37
  5. Step 5: Solve for x
    x = 72,297,967.37/10,020.14
  6. Step 6: Final answer
    x = 7,215.27

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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.