Home / 10,501.12-15,754.40-4,656.32

Finding the Fourth Proportional to 10,501.12, 15,754.40 and 4,656.32

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Solution

The fourth proportional to 10,501.12, 15,754.40 and 4,656.32 is: 6,985.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,501.12 : 15,754.40 = 4,656.32 : x
  2. Step 2: Convert to fraction form
    10,501.12/15,754.40 = 4,656.32/x
  3. Step 3: Cross multiply
    10,501.12x = 15,754.40 × 4,656.32
  4. Step 4: Simplify right side
    10,501.12x = 73,357,527.81
  5. Step 5: Solve for x
    x = 73,357,527.81/10,501.12
  6. Step 6: Final answer
    x = 6,985.69

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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.