Home / 10,388.04-14,330.16-7,026.36

Finding the Fourth Proportional to 10,388.04, 14,330.16 and 7,026.36

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Solution

The fourth proportional to 10,388.04, 14,330.16 and 7,026.36 is: 9,692.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,388.04 : 14,330.16 = 7,026.36 : x
  2. Step 2: Convert to fraction form
    10,388.04/14,330.16 = 7,026.36/x
  3. Step 3: Cross multiply
    10,388.04x = 14,330.16 × 7,026.36
  4. Step 4: Simplify right side
    10,388.04x = 100,688,863.02
  5. Step 5: Solve for x
    x = 100,688,863.02/10,388.04
  6. Step 6: Final answer
    x = 9,692.77

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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.