Home / 12,459.48-18,692.64-10,368.24

Finding the Fourth Proportional to 12,459.48, 18,692.64 and 10,368.24

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Solution

The fourth proportional to 12,459.48, 18,692.64 and 10,368.24 is: 15,555.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,459.48 : 18,692.64 = 10,368.24 : x
  2. Step 2: Convert to fraction form
    12,459.48/18,692.64 = 10,368.24/x
  3. Step 3: Cross multiply
    12,459.48x = 18,692.64 × 10,368.24
  4. Step 4: Simplify right side
    12,459.48x = 193,809,777.75
  5. Step 5: Solve for x
    x = 193,809,777.75/12,459.48
  6. Step 6: Final answer
    x = 15,555.21

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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.