Home / 15,328.16-22,973.74-7,928.68

Finding the Fourth Proportional to 15,328.16, 22,973.74 and 7,928.68

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Solution

The fourth proportional to 15,328.16, 22,973.74 and 7,928.68 is: 11,883.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,328.16 : 22,973.74 = 7,928.68 : x
  2. Step 2: Convert to fraction form
    15,328.16/22,973.74 = 7,928.68/x
  3. Step 3: Cross multiply
    15,328.16x = 22,973.74 × 7,928.68
  4. Step 4: Simplify right side
    15,328.16x = 182,151,432.86
  5. Step 5: Solve for x
    x = 182,151,432.86/15,328.16
  6. Step 6: Final answer
    x = 11,883.45

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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.