Home / 14,152.51-19,531.02-7,864.75

Finding the Fourth Proportional to 14,152.51, 19,531.02 and 7,864.75

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Solution

The fourth proportional to 14,152.51, 19,531.02 and 7,864.75 is: 10,853.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,152.51 : 19,531.02 = 7,864.75 : x
  2. Step 2: Convert to fraction form
    14,152.51/19,531.02 = 7,864.75/x
  3. Step 3: Cross multiply
    14,152.51x = 19,531.02 × 7,864.75
  4. Step 4: Simplify right side
    14,152.51x = 153,606,589.55
  5. Step 5: Solve for x
    x = 153,606,589.55/14,152.51
  6. Step 6: Final answer
    x = 10,853.66

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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.