Home / 14,386.29-19,851.81-8,012.40

Finding the Fourth Proportional to 14,386.29, 19,851.81 and 8,012.40

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Solution

The fourth proportional to 14,386.29, 19,851.81 and 8,012.40 is: 11,056.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,386.29 : 19,851.81 = 8,012.40 : x
  2. Step 2: Convert to fraction form
    14,386.29/19,851.81 = 8,012.40/x
  3. Step 3: Cross multiply
    14,386.29x = 19,851.81 × 8,012.40
  4. Step 4: Simplify right side
    14,386.29x = 159,060,642.44
  5. Step 5: Solve for x
    x = 159,060,642.44/14,386.29
  6. Step 6: Final answer
    x = 11,056.40

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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.