Home / 10,502.90-14,493.84-5,787.35

Finding the Fourth Proportional to 10,502.90, 14,493.84 and 5,787.35

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Solution

The fourth proportional to 10,502.90, 14,493.84 and 5,787.35 is: 7,986.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,502.90 : 14,493.84 = 5,787.35 : x
  2. Step 2: Convert to fraction form
    10,502.90/14,493.84 = 5,787.35/x
  3. Step 3: Cross multiply
    10,502.90x = 14,493.84 × 5,787.35
  4. Step 4: Simplify right side
    10,502.90x = 83,880,924.92
  5. Step 5: Solve for x
    x = 83,880,924.92/10,502.90
  6. Step 6: Final answer
    x = 7,986.45

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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.