Home / 15,421.23-23,128.20-7,096.05

Finding the Fourth Proportional to 15,421.23, 23,128.20 and 7,096.05

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Solution

The fourth proportional to 15,421.23, 23,128.20 and 7,096.05 is: 10,642.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,421.23 : 23,128.20 = 7,096.05 : x
  2. Step 2: Convert to fraction form
    15,421.23/23,128.20 = 7,096.05/x
  3. Step 3: Cross multiply
    15,421.23x = 23,128.20 × 7,096.05
  4. Step 4: Simplify right side
    15,421.23x = 164,118,863.61
  5. Step 5: Solve for x
    x = 164,118,863.61/15,421.23
  6. Step 6: Final answer
    x = 10,642.40

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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.