Home / 13,153.40-19,697.70-9,848.60

Finding the Fourth Proportional to 13,153.40, 19,697.70 and 9,848.60

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Solution

The fourth proportional to 13,153.40, 19,697.70 and 9,848.60 is: 14,748.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,153.40 : 19,697.70 = 9,848.60 : x
  2. Step 2: Convert to fraction form
    13,153.40/19,697.70 = 9,848.60/x
  3. Step 3: Cross multiply
    13,153.40x = 19,697.70 × 9,848.60
  4. Step 4: Simplify right side
    13,153.40x = 193,994,768.22
  5. Step 5: Solve for x
    x = 193,994,768.22/13,153.40
  6. Step 6: Final answer
    x = 14,748.64

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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.