Home / 11,807.08-16,288.63-7,088.63

Finding the Fourth Proportional to 11,807.08, 16,288.63 and 7,088.63

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Solution

The fourth proportional to 11,807.08, 16,288.63 and 7,088.63 is: 9,779.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,807.08 : 16,288.63 = 7,088.63 : x
  2. Step 2: Convert to fraction form
    11,807.08/16,288.63 = 7,088.63/x
  3. Step 3: Cross multiply
    11,807.08x = 16,288.63 × 7,088.63
  4. Step 4: Simplify right side
    11,807.08x = 115,463,972.11
  5. Step 5: Solve for x
    x = 115,463,972.11/11,807.08
  6. Step 6: Final answer
    x = 9,779.22

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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.