Home / 16,916.36-25,374.54-9,987.08

Finding the Fourth Proportional to 16,916.36, 25,374.54 and 9,987.08

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Solution

The fourth proportional to 16,916.36, 25,374.54 and 9,987.08 is: 14,980.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,916.36 : 25,374.54 = 9,987.08 : x
  2. Step 2: Convert to fraction form
    16,916.36/25,374.54 = 9,987.08/x
  3. Step 3: Cross multiply
    16,916.36x = 25,374.54 × 9,987.08
  4. Step 4: Simplify right side
    16,916.36x = 253,417,560.94
  5. Step 5: Solve for x
    x = 253,417,560.94/16,916.36
  6. Step 6: Final answer
    x = 14,980.62

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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.