Home / 10,490.32-14,482.76-6,513.60

Finding the Fourth Proportional to 10,490.32, 14,482.76 and 6,513.60

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Solution

The fourth proportional to 10,490.32, 14,482.76 and 6,513.60 is: 8,992.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,490.32 : 14,482.76 = 6,513.60 : x
  2. Step 2: Convert to fraction form
    10,490.32/14,482.76 = 6,513.60/x
  3. Step 3: Cross multiply
    10,490.32x = 14,482.76 × 6,513.60
  4. Step 4: Simplify right side
    10,490.32x = 94,334,905.54
  5. Step 5: Solve for x
    x = 94,334,905.54/10,490.32
  6. Step 6: Final answer
    x = 8,992.57

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.