Home / 10,364.49-15,547.74-4,123.10

Finding the Fourth Proportional to 10,364.49, 15,547.74 and 4,123.10

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Solution

The fourth proportional to 10,364.49, 15,547.74 and 4,123.10 is: 6,185.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,364.49 : 15,547.74 = 4,123.10 : x
  2. Step 2: Convert to fraction form
    10,364.49/15,547.74 = 4,123.10/x
  3. Step 3: Cross multiply
    10,364.49x = 15,547.74 × 4,123.10
  4. Step 4: Simplify right side
    10,364.49x = 64,104,886.79
  5. Step 5: Solve for x
    x = 64,104,886.79/10,364.49
  6. Step 6: Final answer
    x = 6,185.05

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.