Home / 10,805.04-14,897.51-9,015.12

Finding the Fourth Proportional to 10,805.04, 14,897.51 and 9,015.12

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Solution

The fourth proportional to 10,805.04, 14,897.51 and 9,015.12 is: 12,429.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,805.04 : 14,897.51 = 9,015.12 : x
  2. Step 2: Convert to fraction form
    10,805.04/14,897.51 = 9,015.12/x
  3. Step 3: Cross multiply
    10,805.04x = 14,897.51 × 9,015.12
  4. Step 4: Simplify right side
    10,805.04x = 134,302,840.35
  5. Step 5: Solve for x
    x = 134,302,840.35/10,805.04
  6. Step 6: Final answer
    x = 12,429.65

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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.