Home / 8,962.21-13,407.36-6,972.45

Finding the Fourth Proportional to 8,962.21, 13,407.36 and 6,972.45

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Solution

The fourth proportional to 8,962.21, 13,407.36 and 6,972.45 is: 10,430.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,962.21 : 13,407.36 = 6,972.45 : x
  2. Step 2: Convert to fraction form
    8,962.21/13,407.36 = 6,972.45/x
  3. Step 3: Cross multiply
    8,962.21x = 13,407.36 × 6,972.45
  4. Step 4: Simplify right side
    8,962.21x = 93,482,070.81
  5. Step 5: Solve for x
    x = 93,482,070.81/8,962.21
  6. Step 6: Final answer
    x = 10,430.69

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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.