Home / 14,399.81-19,875.45-9,376.58

Finding the Fourth Proportional to 14,399.81, 19,875.45 and 9,376.58

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Solution

The fourth proportional to 14,399.81, 19,875.45 and 9,376.58 is: 12,942.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,399.81 : 19,875.45 = 9,376.58 : x
  2. Step 2: Convert to fraction form
    14,399.81/19,875.45 = 9,376.58/x
  3. Step 3: Cross multiply
    14,399.81x = 19,875.45 × 9,376.58
  4. Step 4: Simplify right side
    14,399.81x = 186,363,746.96
  5. Step 5: Solve for x
    x = 186,363,746.96/14,399.81
  6. Step 6: Final answer
    x = 12,942.10

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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.