Home / 10,436.04-15,643.53-6,543.18

Finding the Fourth Proportional to 10,436.04, 15,643.53 and 6,543.18

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Solution

The fourth proportional to 10,436.04, 15,643.53 and 6,543.18 is: 9,808.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,436.04 : 15,643.53 = 6,543.18 : x
  2. Step 2: Convert to fraction form
    10,436.04/15,643.53 = 6,543.18/x
  3. Step 3: Cross multiply
    10,436.04x = 15,643.53 × 6,543.18
  4. Step 4: Simplify right side
    10,436.04x = 102,358,432.63
  5. Step 5: Solve for x
    x = 102,358,432.63/10,436.04
  6. Step 6: Final answer
    x = 9,808.17

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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.