Home / 14,412.16-19,888.74-8,038.76

Finding the Fourth Proportional to 14,412.16, 19,888.74 and 8,038.76

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Solution

The fourth proportional to 14,412.16, 19,888.74 and 8,038.76 is: 11,093.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,412.16 : 19,888.74 = 8,038.76 : x
  2. Step 2: Convert to fraction form
    14,412.16/19,888.74 = 8,038.76/x
  3. Step 3: Cross multiply
    14,412.16x = 19,888.74 × 8,038.76
  4. Step 4: Simplify right side
    14,412.16x = 159,880,807.56
  5. Step 5: Solve for x
    x = 159,880,807.56/14,412.16
  6. Step 6: Final answer
    x = 11,093.47

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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.