Home / 21,117.04-31,681.04-6,325.64

Finding the Fourth Proportional to 21,117.04, 31,681.04 and 6,325.64

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Solution

The fourth proportional to 21,117.04, 31,681.04 and 6,325.64 is: 9,490.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,117.04 : 31,681.04 = 6,325.64 : x
  2. Step 2: Convert to fraction form
    21,117.04/31,681.04 = 6,325.64/x
  3. Step 3: Cross multiply
    21,117.04x = 31,681.04 × 6,325.64
  4. Step 4: Simplify right side
    21,117.04x = 200,402,853.87
  5. Step 5: Solve for x
    x = 200,402,853.87/21,117.04
  6. Step 6: Final answer
    x = 9,490.10

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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.