Home / 11,335.40-15,642.48-6,299.50

Finding the Fourth Proportional to 11,335.40, 15,642.48 and 6,299.50

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Solution

The fourth proportional to 11,335.40, 15,642.48 and 6,299.50 is: 8,693.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,335.40 : 15,642.48 = 6,299.50 : x
  2. Step 2: Convert to fraction form
    11,335.40/15,642.48 = 6,299.50/x
  3. Step 3: Cross multiply
    11,335.40x = 15,642.48 × 6,299.50
  4. Step 4: Simplify right side
    11,335.40x = 98,539,802.76
  5. Step 5: Solve for x
    x = 98,539,802.76/11,335.40
  6. Step 6: Final answer
    x = 8,693.10

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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.