Home / 10,787.51-14,886.74-6,071.81

Finding the Fourth Proportional to 10,787.51, 14,886.74 and 6,071.81

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Solution

The fourth proportional to 10,787.51, 14,886.74 and 6,071.81 is: 8,379.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,787.51 : 14,886.74 = 6,071.81 : x
  2. Step 2: Convert to fraction form
    10,787.51/14,886.74 = 6,071.81/x
  3. Step 3: Cross multiply
    10,787.51x = 14,886.74 × 6,071.81
  4. Step 4: Simplify right side
    10,787.51x = 90,389,397.55
  5. Step 5: Solve for x
    x = 90,389,397.55/10,787.51
  6. Step 6: Final answer
    x = 8,379.08

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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.