Home / 13,270.07-18,312.23-7,301.18

Finding the Fourth Proportional to 13,270.07, 18,312.23 and 7,301.18

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Solution

The fourth proportional to 13,270.07, 18,312.23 and 7,301.18 is: 10,075.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,270.07 : 18,312.23 = 7,301.18 : x
  2. Step 2: Convert to fraction form
    13,270.07/18,312.23 = 7,301.18/x
  3. Step 3: Cross multiply
    13,270.07x = 18,312.23 × 7,301.18
  4. Step 4: Simplify right side
    13,270.07x = 133,700,814.12
  5. Step 5: Solve for x
    x = 133,700,814.12/13,270.07
  6. Step 6: Final answer
    x = 10,075.37

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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.