Home / 10,886.27-16,307.53-5,681.21

Finding the Fourth Proportional to 10,886.27, 16,307.53 and 5,681.21

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Solution

The fourth proportional to 10,886.27, 16,307.53 and 5,681.21 is: 8,510.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,886.27 : 16,307.53 = 5,681.21 : x
  2. Step 2: Convert to fraction form
    10,886.27/16,307.53 = 5,681.21/x
  3. Step 3: Cross multiply
    10,886.27x = 16,307.53 × 5,681.21
  4. Step 4: Simplify right side
    10,886.27x = 92,646,502.51
  5. Step 5: Solve for x
    x = 92,646,502.51/10,886.27
  6. Step 6: Final answer
    x = 8,510.40

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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.