Home / 14,159.85-19,541.55-9,371.53

Finding the Fourth Proportional to 14,159.85, 19,541.55 and 9,371.53

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Solution

The fourth proportional to 14,159.85, 19,541.55 and 9,371.53 is: 12,933.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,159.85 : 19,541.55 = 9,371.53 : x
  2. Step 2: Convert to fraction form
    14,159.85/19,541.55 = 9,371.53/x
  3. Step 3: Cross multiply
    14,159.85x = 19,541.55 × 9,371.53
  4. Step 4: Simplify right side
    14,159.85x = 183,134,222.07
  5. Step 5: Solve for x
    x = 183,134,222.07/14,159.85
  6. Step 6: Final answer
    x = 12,933.34

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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.