Home / 13,085.86-19,643.36-6,510.28

Finding the Fourth Proportional to 13,085.86, 19,643.36 and 6,510.28

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Solution

The fourth proportional to 13,085.86, 19,643.36 and 6,510.28 is: 9,772.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,085.86 : 19,643.36 = 6,510.28 : x
  2. Step 2: Convert to fraction form
    13,085.86/19,643.36 = 6,510.28/x
  3. Step 3: Cross multiply
    13,085.86x = 19,643.36 × 6,510.28
  4. Step 4: Simplify right side
    13,085.86x = 127,883,773.74
  5. Step 5: Solve for x
    x = 127,883,773.74/13,085.86
  6. Step 6: Final answer
    x = 9,772.67

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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.