Home / 10,188.48-15,282.88-4,641.60

Finding the Fourth Proportional to 10,188.48, 15,282.88 and 4,641.60

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Solution

The fourth proportional to 10,188.48, 15,282.88 and 4,641.60 is: 6,962.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,188.48 : 15,282.88 = 4,641.60 : x
  2. Step 2: Convert to fraction form
    10,188.48/15,282.88 = 4,641.60/x
  3. Step 3: Cross multiply
    10,188.48x = 15,282.88 × 4,641.60
  4. Step 4: Simplify right side
    10,188.48x = 70,937,015.81
  5. Step 5: Solve for x
    x = 70,937,015.81/10,188.48
  6. Step 6: Final answer
    x = 6,962.47

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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.