Home / 12,946.16-19,423.56-5,547.44

Finding the Fourth Proportional to 12,946.16, 19,423.56 and 5,547.44

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Solution

The fourth proportional to 12,946.16, 19,423.56 and 5,547.44 is: 8,323.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,946.16 : 19,423.56 = 5,547.44 : x
  2. Step 2: Convert to fraction form
    12,946.16/19,423.56 = 5,547.44/x
  3. Step 3: Cross multiply
    12,946.16x = 19,423.56 × 5,547.44
  4. Step 4: Simplify right side
    12,946.16x = 107,751,033.69
  5. Step 5: Solve for x
    x = 107,751,033.69/12,946.16
  6. Step 6: Final answer
    x = 8,323.01

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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.