Home / 10,913.04-15,055.74-6,196.68

Finding the Fourth Proportional to 10,913.04, 15,055.74 and 6,196.68

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Solution

The fourth proportional to 10,913.04, 15,055.74 and 6,196.68 is: 8,549.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,913.04 : 15,055.74 = 6,196.68 : x
  2. Step 2: Convert to fraction form
    10,913.04/15,055.74 = 6,196.68/x
  3. Step 3: Cross multiply
    10,913.04x = 15,055.74 × 6,196.68
  4. Step 4: Simplify right side
    10,913.04x = 93,295,602.94
  5. Step 5: Solve for x
    x = 93,295,602.94/10,913.04
  6. Step 6: Final answer
    x = 8,549.00

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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.