Home / 16,840.40-23,239.91-9,287.00

Finding the Fourth Proportional to 16,840.40, 23,239.91 and 9,287.00

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Solution

The fourth proportional to 16,840.40, 23,239.91 and 9,287.00 is: 12,816.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,840.40 : 23,239.91 = 9,287.00 : x
  2. Step 2: Convert to fraction form
    16,840.40/23,239.91 = 9,287.00/x
  3. Step 3: Cross multiply
    16,840.40x = 23,239.91 × 9,287.00
  4. Step 4: Simplify right side
    16,840.40x = 215,828,916.36
  5. Step 5: Solve for x
    x = 215,828,916.36/16,840.40
  6. Step 6: Final answer
    x = 12,816.14

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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.