Home / 15,421.94-23,102.07-7,090.55

Finding the Fourth Proportional to 15,421.94, 23,102.07 and 7,090.55

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Solution

The fourth proportional to 15,421.94, 23,102.07 and 7,090.55 is: 10,621.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,421.94 : 23,102.07 = 7,090.55 : x
  2. Step 2: Convert to fraction form
    15,421.94/23,102.07 = 7,090.55/x
  3. Step 3: Cross multiply
    15,421.94x = 23,102.07 × 7,090.55
  4. Step 4: Simplify right side
    15,421.94x = 163,806,266.93
  5. Step 5: Solve for x
    x = 163,806,266.93/15,421.94
  6. Step 6: Final answer
    x = 10,621.64

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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.