Home / 9,824.80-14,715.60-8,730.40

Finding the Fourth Proportional to 9,824.80, 14,715.60 and 8,730.40

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Solution

The fourth proportional to 9,824.80, 14,715.60 and 8,730.40 is: 13,076.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,824.80 : 14,715.60 = 8,730.40 : x
  2. Step 2: Convert to fraction form
    9,824.80/14,715.60 = 8,730.40/x
  3. Step 3: Cross multiply
    9,824.80x = 14,715.60 × 8,730.40
  4. Step 4: Simplify right side
    9,824.80x = 128,473,074.24
  5. Step 5: Solve for x
    x = 128,473,074.24/9,824.80
  6. Step 6: Final answer
    x = 13,076.41

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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.