Home / 15,928.40-23,897.40-11,320.40

Finding the Fourth Proportional to 15,928.40, 23,897.40 and 11,320.40

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Solution

The fourth proportional to 15,928.40, 23,897.40 and 11,320.40 is: 16,984.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,928.40 : 23,897.40 = 11,320.40 : x
  2. Step 2: Convert to fraction form
    15,928.40/23,897.40 = 11,320.40/x
  3. Step 3: Cross multiply
    15,928.40x = 23,897.40 × 11,320.40
  4. Step 4: Simplify right side
    15,928.40x = 270,528,126.96
  5. Step 5: Solve for x
    x = 270,528,126.96/15,928.40
  6. Step 6: Final answer
    x = 16,984.01

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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.